Trinity Force

Trinity Force is a Legendary Fighter/Marksman item costing 3333 gold providing +36 Attack Damage, +15 Ability Haste, +30% Attack Speed, and +333 Health. Its passive SPELLBLADE makes the next basic attack within 10 seconds after using any ability deal 200% base AD as bonus physical damage on-hit with a 1.5-second cooldown that starts after the empowered attack fires — and consecutive ability casts refresh the 10-second window, not reset the cooldown. QUICKEN grants +20 movement speed for 2 seconds per basic attack on-hit. Trinity Force belongs to the SPELLBLADE item family (limited to 1 SPELLBLADE per player — shared with Sheen, Iceborn Gauntlet, Lich Bane, Essence Reaver, Divine Sunderer). It is the defining first item for ability-weaving fighters and on-hit marksmen who deal damage through alternating ability use and basic attacks — champions whose playstyle naturally creates ability-cast → auto → ability-cast → auto weaving at high frequency. The critical distinction from other SPELLBLADE items: Trinity Force is designed for physical AD fighters who use ability haste to maximize SPELLBLADE fire rate, not AP mages (Lich Bane) or tank divers (Iceborn Gauntlet). Removed Masterwork upgrades were Infinity Force and Trinity Fusion.

Trinity Force is a Legendary-tier item available on Summoner’s Rift (5v5), ARAM, Nexus Blitz, and Arena. Categorized under Fighter, Marksman, Attack Damage, and Attack Speed menus. ID 3078. Limited to 1 SPELLBLADE item per player. Sell value: 2333.1 gold.

📊 Stats at a Glance

💡 The Base AD Scaling — Why Level Matters More Than Items: SPELLBLADE deals 200% of BASE AD as bonus damage — not bonus AD, not total AD, specifically base AD. Base AD is the AD a champion naturally has from their stats and level progression, independent of items. At level 18, a fighter like Irelia has approximately 113 base AD: SPELLBLADE deals 200% × 113 = 226 bonus physical damage per proc. At level 9 with ~85 base AD: SPELLBLADE deals ~170 bonus damage. The damage scales directly with champion level and champion-specific base AD growth, not with AD items. Adding Black Cleaver’s 40 bonus AD does not increase SPELLBLADE damage by 1 point — but gaining 5 levels increases it by 10–20 damage per proc. This is why Trinity Force is strongest on champions with high base AD per level and is bought as a first item where leveling during the early-mid game maximizes SPELLBLADE’s scaling window.

💡 AH Directly Converts to SPELLBLADE DPS: SPELLBLADE has a 1.5-second cooldown that starts after the empowered attack fires — the theoretical maximum SPELLBLADE fire rate is once every 1.5 seconds. Achieving this maximum requires casting an ability every 1.5 seconds. Higher Ability Haste shortens every ability cooldown, enabling more frequent ability casts within 1.5-second windows. At 15 AH (Trinity Force alone), base ability CDs are reduced by approximately 13% — an ability with a 4-second base CD is now 3.5 seconds. At 40 AH total, the same ability is at 2.86 seconds. Champions whose primary abilities have short cooldowns (Irelia Q reset chain at sub-2-second intervals, Camille Q double-strike at 3–4 seconds, Corki W at regular intervals) approach the 1.5-second SPELLBLADE ceiling with Trinity Force + additional AH sources.

🔨 Recipe & Build Path

💡 133g Combine Cost — The Most Component-Efficient Legendary: Trinity Force has the lowest combine cost of any Legendary item in the game at only 133 gold. This means the three components (Sheen + Phage + Hearthbound Axe) are valued at essentially full price — nearly no gold is lost to the combine penalty. The implication: completing the three components in any order provides maximum value per gold, and switching between components based on gold amounts at each back wastes almost nothing. The 133g combine is purely cosmetic — pay it when all three components are held and full Trinity Force is available.

💡 Component Priority by Lane Phase: The three components serve different early functions: Sheen (900g) is the priority first component for champions who have at least one ability with a short cooldown, providing the SPELLBLADE effect at low cost and enabling kill pressure from level 6 onwards. Phage (1100g) provides HP + AD for lane survivability when the matchup involves trading HP. Hearthbound Axe (1200g) is correct first when attack speed immediately changes the trading pattern (Irelia’s Q reset frequency, Camille’s E engage speed). Most trinity fighters default to Sheen first unless the specific trade pattern demands HP or AS more urgently.

⚡ Passive Effects

UNIQUE Passive — SPELLBLADE

EFFECT: After using any ability, the next basic attack within 10 seconds deals 200% base AD as additional bonus physical damage on-hit. The 1.5-second cooldown begins after the empowered attack fires — not when the ability is cast. Consecutive ability casts refresh the 10-second window without resetting the cooldown. SPELLBLADE is proc damage that does not trigger spell effects, is unaffected by critical strike modifiers, and benefits from life steal, omnivamp, and physical vamp (but not spell vamp).

💡 The Cooldown Starts on Attack, Not Ability Cast: This timing distinction is central to the item’s design and frequently misunderstood. Casting an ability does not start the 1.5-second cooldown — the cooldown begins when the empowered attack lands. This means: cast ability → 10-second window opens → cast second ability (window refreshes, no CD reset needed) → 10-second window refreshes → auto with SPELLBLADE → 1.5-second CD begins now. In a Q → W → auto → Q → auto rotation, the second auto can fire SPELLBLADE again 1.5 seconds after the first auto, as long as Q’s CD has resolved before that window. Champions with 2-second ability cooldowns can theoretically fire SPELLBLADE on every auto in an extended fight sequence.

💡 SPELLBLADE vs Spell Shield — The Nuanced Interaction: The spell shield interaction depends on how SPELLBLADE is applied: if applied by a basic attack, spell shields do NOT block it — the SPELLBLADE damage fires through the shield. If the SPELLBLADE effect is instead applied by an ability that triggers on-hit effects (like Irelia’s Q, which counts as an ability but also triggers on-hit), the spell shield blocks SPELLBLADE in that delivery context. In practice, the majority of SPELLBLADE procs are on standard basic attacks after ability use, making spell shield bypass the common outcome. The edge case is abilities that simultaneously count as on-hit triggers.

⚠️ SPELLBLADE Cannot Crit and Crits Don’t Amplify It: Critical strike chance and crit damage modifiers have zero interaction with SPELLBLADE. A crit auto that fires SPELLBLADE deals: the crit physical damage (base + bonus AD × crit modifier) PLUS the SPELLBLADE flat proc (200% base AD) as two separate damage events. The SPELLBLADE component is always 200% base AD regardless of whether the auto critically strikes. Infinity Edge’s crit damage bonus does not amplify SPELLBLADE. Building crit items alongside Trinity Force does not increase SPELLBLADE’s contribution — the crit investment and SPELLBLADE scale completely independently.

UNIQUE Passive — QUICKEN

EFFECT: Each basic attack on-hit grants +20 bonus movement speed for 2 seconds. Every new basic attack refreshes the 2-second timer. At Trinity Force’s +30% attack speed, the carrier attacks frequently enough to maintain QUICKEN’s 20 MS bonus as a near-permanent buff during extended combat sequences. The sustained MS makes kiting significantly easier against melee opponents trying to walk away from the fight — the Trinity Force carrier stays on top of retreating targets through QUICKEN’s constant refreshing.

🎯 Who Should Buy This Item

Champion Archetypes

• Ability-Weaving Fighters with Short Ability Cooldowns: Trinity Force’s maximum value is reached on champions whose playstyle is inherently ability → auto → ability → auto at high frequency. Irelia’s Q reset chain generates a new SPELLBLADE proc between every Q cast. Camille’s Q double-strike with a short CD enables SPELLBLADE on every Q rotation. Corki’s W plus standard auto pattern weaves SPELLBLADE into every rotation. The item rewards the champions whose combat cadence naturally alternates between ability use and attacking — not champions who use one big ability and then auto for 4 seconds while it’s on cooldown.
• High Base AD Champions: Since SPELLBLADE scales with base AD, champions with high base AD per level amplify SPELLBLADE’s raw damage more than champions with lower base AD. Corki (high base AD growth), Irelia (65 base AD at level 1, 113 at 18), and Camille (61 at 1, 108 at 18) derive more absolute damage per SPELLBLADE proc at equivalent levels than champions with lower base AD curves. Checking a champion’s base AD at level 13–16 (common Trinity completion timing) indicates how much SPELLBLADE contributes — 200% of 95 base AD = 190 bonus damage vs 200% of 80 base AD = 160 bonus damage.
• Split-Push Fighters Who Fight Towers: SPELLBLADE triggers against structures — every ability cast before a turret auto adds 200% base AD to the hit. In a split-push context where a fighter is hitting a turret with regular autos and using abilities on cooldown, every SPELLBLADE proc contributes 190+ bonus damage to tower HP. Against a tower with 3000 HP remaining, SPELLBLADE procs account for a significant portion of the total turret damage in the final push. Trinity Force is one of the best pure split-push items in the game specifically because of the structure interaction.

Specific Champion Examples

⏰ When to Buy

As a First Item — The Standard

Trinity Force is almost always purchased as a first Legendary item on the champions who buy it. The reasoning is direct: Sheen (the first component) provides the SPELLBLADE effect at 900g, immediately enabling the ability → empowered auto pattern that Trinity Force’s entire value is built around. Every subsequent component (Phage for HP/AD, Hearthbound Axe for AS) extends and amplifies the established pattern. Delaying Trinity Force for a different first item means delaying the SPELLBLADE weave for the entire early game — Trinity Force champions do not have a strong secondary first-item path because their combat identity is SPELLBLADE ability-weaving, not raw AD spike or tankiness.

Sheen First Back — Always

The mandatory first back purchase is Sheen at 900g. Sheen provides the SPELLBLADE passive immediately — any champion who reaches 900g on first back buys Sheen and has access to SPELLBLADE from that point forward. The 650g combine cost on Sheen means the 900g spent on Sheen is essentially full conversion into Trinity Force value — no gold is wasted on the Sheen-to-Trinity upgrade. Getting Sheen before minute 8 establishes the SPELLBLADE pattern in the early trades and first skirmishes where base AD is already meaningful.

Situational / Skip

Skip Trinity Force on ability-damage-focused mages and AP fighters who deal primarily magic damage (Syndra, Viktor, Malphite) — Trinity Force’s SPELLBLADE is physical damage that scales with base AD, providing minimal value on AP builds. Also skip on pure ADCs without frequent ability usage (Draven, Caitlyn) who auto-attack primarily without ability weaving — SPELLBLADE’s 10-second window goes unused between ability cast gaps. For pure physical DPS without ability-weaving combat patterns, Kraken Slayer, Trinity Force, or Blade of the Ruined King provide better DPS per gold than Trinity’s mixed stat package.

💡 Synergies

Best Paired Items

• Black Cleaver: Black Cleaver provides armor reduction on physical damage ability hits, which affects SPELLBLADE’s physical proc damage after armor is considered. Additionally, Black Cleaver’s HP and AH stack with Trinity Force’s AH for a combined 40+ total AH, enabling faster ability rotations that fire SPELLBLADE more frequently. The combination of Trinity Force SPELLBLADE burst + Black Cleaver armor shred is the standard fighter anti-tank build path.
• Sterak’s Gage: Sterak’s HP scaling synergizes with Trinity Force’s +333 HP — more HP inflates Sterak’s base AD bonus from its Giant Strength passive (bonus AD equal to 50% of bonus HP). At 600 bonus HP from Trinity + Sterak’s combined, Giant Strength contributes +300 bonus AD for the Sterak’s calculation. Sterak’s Lifeline passive survival shield provides the sustained combat safety that a melee fighter with Trinity Force needs to execute the ability-weaving pattern at close range.
• Blade of the Ruined King: The +30% attack speed from Trinity Force directly multiplies the value of BORK’s percent-current-HP on-hit damage — more attacks per second means more BORK procs per second. QUICKEN’s MS from Trinity Force’s attack speed stays active during the BORK attack sequence, providing both kiting capability and sustained on-hit damage simultaneously. The combination of SPELLBLADE burst (ability-cast window) and BORK sustained on-hit creates two independent damage layers firing in the same attack sequence.
• Ravenous Hydra: Ravenous Hydra’s crescent active + passive AoE applies physical damage that benefits from QUICKEN’s MS bonus timing. More relevantly, Ravenous Hydra’s Omnivamp applies to SPELLBLADE’s physical proc — each SPELLBLADE proc heals through Omnivamp, adding 8–15 HP per proc depending on Hydra’s vamp rate at the time. In extended teamfight scenarios where SPELLBLADE fires every 1.5–2 seconds, the Omnivamp from SPELLBLADE alone provides meaningful sustained healing.

Champion & Ability Synergies

• Irelia Q reset chain + maximum SPELLBLADE frequency: Irelia’s Q (Bladesurge) resets on champion and low-HP minion kills. Each Q cast triggers SPELLBLADE’s 10-second window. In a minion reset chain (Q → reset → Q → reset → Q → champion), each Q in the chain is an ability cast that opens a new SPELLBLADE window. The attack between each Q fires SPELLBLADE. At full Trinity Force + additional AH, Irelia approaches the theoretical ceiling of SPELLBLADE firing on nearly every basic attack during an extended Q reset sequence through a wave into a champion — each attack benefits from SPELLBLADE as long as Q casts happen at sub-1.5 second intervals.
• Camille Q double-hit timing with SPELLBLADE: Camille’s Q Precision Protocol empowers her next two attacks. The first Q empowered hit triggers SPELLBLADE from the preceding ability cast. The second Q hit (which deals true damage to targets in the inner zone) fires 1.5+ seconds later — if an ability was cast between the two Q hits, SPELLBLADE is available again for the second Q auto. The standard rotation of Q → Hookshot → Q second hit places an ability cast between both Q autos, potentially delivering SPELLBLADE on both Precision Protocol strikes within the same extended Q window.
• Ezreal Q matching SPELLBLADE’s 1.5-second cooldown: Ezreal’s Mystic Shot (Q) at high Ability Haste (30–40 AH total) reaches approximately 1.5–1.7 second cooldown — nearly matching SPELLBLADE’s 1.5-second cooldown that starts after the empowered auto. This means at sufficiently high AH, Ezreal can fire Q → empowered auto → Q → empowered auto → Q → empowered auto as a continuous pattern with no dead time between SPELLBLADE procs. Trinity Force on Ezreal converts every Q cast into a guaranteed SPELLBLADE auto at maximum frequency.
• Corki W Package approach + SPELLBLADE: Corki’s W (Valkyrie) and Package W both create ability casts that open SPELLBLADE windows. The Package’s extended range approach involves a W cast followed by immediate auto attacks — SPELLBLADE fires on the first auto after Package’s W lands. Combined with Corki’s high base AD at 18 (approximately 100+), the Package-approach SPELLBLADE auto deals 200+ bonus physical damage on the first attack from a surprise approach, functioning as a burst damage contribution on top of the Package’s own AoE damage.

❌ Common Mistakes & How to Avoid Them

• Thinking SPELLBLADE scales with total AD or bonus AD: SPELLBLADE deals 200% of BASE AD — not total AD, not bonus AD. Building Ravenous Hydra’s +65 AD alongside Trinity Force does not increase SPELLBLADE by 130 damage. Those 65 bonus AD contribute to the base physical auto damage and ability damage but have zero effect on SPELLBLADE’s proc amount. Only champion-level-based base AD growth and innate base AD increases SPELLBLADE damage. Understanding this prevents overvaluing bonus AD items on Trinity Force builds and explains why the item is strongest when leveling is prioritized over pure AD item stacking.
• Building Trinity Force on AP champions or pure AD autoattackers without ability use: Trinity Force requires two conditions simultaneously: frequent ability use AND frequent basic attacks. AP champions don’t auto-attack frequently enough to realize SPELLBLADE (their combat pattern is ability → wait → ability → wait). Pure auto-attackers without short-CD abilities (Draven, Caitlyn) have ability cast gaps that leave SPELLBLADE’s 10-second window unused repeatedly. SPELLBLADE’s full value only materializes when both ability and attack cadence are high.
• Casting an ability and then not attacking for 10 seconds: SPELLBLADE’s 10-second window is long but not infinite. A champion who casts Q to clear a wave, walks away from combat, and returns to fight 11 seconds later loses the charged SPELLBLADE window and must cast another ability to reset it. In lane, always convert an ability cast into an immediate basic attack if the SPELLBLADE empowered attack can land on the enemy. Wasted SPELLBLADE windows represent direct DPS loss — every ability cast that doesn’t result in a SPELLBLADE auto within 10 seconds is a forfeited proc.
• Confusing the cooldown start point: A common error is believing SPELLBLADE goes on a 1.5-second cooldown when the ability is cast rather than when the empowered attack fires. The correct sequence: ability cast → SPELLBLADE ready → auto fires SPELLBLADE → 1.5-second CD begins. If the ability is cast but the empowered attack is not used within 10 seconds, the SPELLBLADE is simply lost — no cooldown starts from unused windows. Consecutive ability casts refresh the window without resetting any active cooldown. This matters for the auto-weaving rhythm: the 1.5-second CD is a floor on how often SPELLBLADE can fire, not a timer that runs from ability usage.
• Assuming Trinity Force and Essence Reaver can both be purchased: Both Trinity Force and Essence Reaver are SPELLBLADE items — the 1 SPELLBLADE item per player limitation prevents purchasing both in the same game. Corki and Ezreal players who might consider Essence Reaver’s mana refund alongside Trinity Force’s stats cannot combine them. Choose the SPELLBLADE item that best suits the champion’s damage type and resource needs: Trinity Force for physical fighters with no mana problems; Essence Reaver for AD carries who need mana regeneration through ability use.

⚔️ Counter Items & Playing Against Trinity Force

Items That Counter Trinity Force

• Plated Steelcaps: SPELLBLADE is physical damage — Plated Steelcaps’ 15% damage reduction from basic attacks applies to the SPELLBLADE proc since it is delivered on-hit via a basic attack. At the typical Trinity Force user’s power level (approximately 95–100 base AD at level 13), SPELLBLADE hits for ~190 damage. Plated Steelcaps reduces this by 15%, netting approximately 28 less damage per SPELLBLADE proc. Over 10 procs in a fight, Steelcaps reduces total SPELLBLADE damage by approximately 280 HP — meaningful in a fight where the margin is tight.
• Frozen Heart: Frozen Heart’s Winters Caress reduces attack speed of nearby enemies by 20%. Trinity Force’s +30% AS is partially countered — net effective AS advantage is reduced, lowering QUICKEN uptime and overall auto-attack frequency. Fewer autos mean fewer QUICKEN refreshes and slower SPELLBLADE cycling between ability uses. Against a Frozen Heart tank, the Trinity Force carrier’s sustained DPS through repeated SPELLBLADE cycling is reduced more than the raw stat reduction implies through the compounded attack-speed effect.
• Randuin’s Omen: Randuin’s reduces critical strike damage and activates a slow AoE on use. While crits don’t amplify SPELLBLADE directly, the slow separates the Trinity Force carrier from targets — QUICKEN’s 20 MS partially offsets Randuin’s slow but doesn’t negate the active entirely. Against Irelia or Camille who need to stay close for Q resets, Randuin’s active slow creates distance during the ability-weave windows where SPELLBLADE is most valuable.

Strategic Counterplay

The most effective counterplay against Trinity Force ability-weaving fighters is preventing the ability → auto sequence from completing. SPELLBLADE requires a basic attack to fire after an ability — any CC or interrupt between the ability cast and the auto cancels the SPELLBLADE proc for that window. Hard CC (stuns, knockups, displacements) applied after the ability cast but before the empowered auto lands prevents the proc and resets the champion’s burst cycle. Champions with reliable point-and-click CC (Malphite R, Leona E+Q, Nautilus Q+R) who can disrupt the immediate post-ability auto effectively deny SPELLBLADE across multiple windows in extended fights.

FAQ

Q: Does SPELLBLADE’s damage increase when I buy a crit item?

A: No — SPELLBLADE is not affected by critical strike modifiers in either direction. Building Infinity Edge does not increase SPELLBLADE damage through crit damage amplification. A critical strike auto that fires SPELLBLADE delivers: (1) the critical physical auto damage (amplified by crit) and (2) the SPELLBLADE proc (200% base AD, un-amplified by crit) as two completely independent damage events. The SPELLBLADE component is always 200% base AD. For Trinity Force fighters, building crit is generally suboptimal — the AD and HP investment in crit items provides diminishing returns compared to fighter-specific stats that directly increase fight durability and ability frequency.

Q: Does SPELLBLADE trigger from any ability or only basic abilities?

A: SPELLBLADE triggers from any ability — Q, W, E, R, and any activated item abilities or champion passives that count as ability activations. The 10-second window opens on any ability cast. The most efficient champions cast low-cooldown basic abilities (Q or E) to continuously refresh the SPELLBLADE window between empowered autos. Ultimates also trigger SPELLBLADE — a Jayce who casts his R (cannon-to-hammer form switch) opens a SPELLBLADE window from the form-switch activation.

Q: Can Trinity Force and Divine Sunderer be built in the same game?

A: No — both Trinity Force and Divine Sunderer are SPELLBLADE items, sharing the 1 SPELLBLADE item per player limitation. The full SPELLBLADE family (cannot combine any two): Trinity Force, Sheen, Iceborn Gauntlet, Lich Bane, Essence Reaver, Divine Sunderer. Choose the SPELLBLADE item that serves the champion’s role: Trinity Force for physical fighters with ability-weave combat, Iceborn Gauntlet for tank fighters who need the slow field, Lich Bane for AP mages, Essence Reaver for AD marksmen with mana sustain needs, Divine Sunderer for fighters against high-HP targets.

Q: Why does Trinity Force deal less damage in each auto compared to a pure AD item, yet feels stronger?A: Trinity Force’s value is not in any single auto’s damage — it’s in the SPELLBLADE proc on every other auto across an extended fight. A pure AD item like Serylda’s Grudge gives +45 AD that applies to every auto and every ability. Trinity Force’s SPELLBLADE adds ~190 bonus physical damage on alternating autos for the entire fight, independent of the +36 base AD. Over a 6-second fight with 6 autos and 3 SPELLBLADE procs, Trinity Force contributes: 3 × 190 = 570 bonus damage from SPELLBLADE alone — equivalent to 570 bonus damage that Serylda’s could only deliver if each auto dealt 95 more damage for 6 autos. The compounding nature of SPELLBLADE procs across multiple auto-ability weave cycles makes Trinity Force’s total damage contribution substantially higher than its raw stat numbers suggest in isolation.