Hullbreaker

What is Hullbreaker? 🏴‍☠️

Hullbreaker is the dedicated split-push power item — built entirely around a champion who leaves the team to take a side lane and destroy towers alone. Two mechanics define the item’s split-push identity: SKIPPER (a stacking bonus physical damage proc on empowered autos with dramatically amplified damage against structures) and BOARDING PARTY (a minion wave buff that transforms allied siege and super minions into heavily armored, oversized siege units).

SKIPPER rewards consistent auto-attacking: 5 stacks accumulate over up to 5 basic attacks (each auto grants 1 stack, lasting 10 seconds). At 4 or 5 stacks, the next auto against a champion, epic monster, or structure consumes all stacks and deals the empowered hit. The damage scales with both base AD (melee: 120% base AD, ranged: 84%) and maximum HP (melee: 5%, ranged: 3.5%), with a massive structure multiplier: 300% base AD + 10% max HP against towers and other structures. That HP scaling means HP-stacking split-pushers (Darius, Garen, Fiora) contribute significantly more turret damage than a lower-HP fighter.

BOARDING PARTY elevates the minion wave from disposable fodder into a legitimate siege force. Allied siege minions and super minions within 1050 units gain 70–130 bonus armor and MR based on level, plus 10% increased size. A fully-buffed late-game super minion with 130 armor and 130 MR becomes extremely difficult to clear — defenders who try to poke the wave with abilities or auto-attacks face a damage-absorbing front line while the split-pusher free-hits the tower. At 3,000 Gold, Hullbreaker builds from Tunneler, Winged Moonplate, and Pickaxe with a 175g combine. Sell: 2,100 Gold. ID: 3181.

📊 Base Statistics

🔨 Recipe & Components

Hullbreaker builds from Tunneler + Winged Moonplate + Pickaxe with a 175g combine:

⚔️ SKIPPER Passive — Complete Mechanics Reference

Stack Accumulation — Every Auto on Any Enemy

SKIPPER stacks are generated by on-hit basic attacks against any enemy — not just champions or turrets. Auto-attacking minions, monsters, jungle camps, and wards all contribute stacks. This means a split-pusher auto-ing minions in the wave passively builds SKIPPER stacks as they walk through the lane, arriving at the turret with stacks already prepared for the first empowered hit.

Each stack lasts 10 seconds, resetting on each auto that generates a new stack. Maximum 5 stacks. With a standard 2-stack per second auto speed, 5 stacks build in 2.5 seconds. The empowered hit triggers at 4 or 5 stacks — not exclusively at the full 5-stack maximum. This means the empowered hit is available 1 auto earlier than the full cap, enabling consistent proc timing without requiring the full stack count before trading or hitting a structure.

Structure Multiplier — The Core Split-Push Mechanic

The structure damage multiplier is the reason Hullbreaker exists as a split-push item rather than a generic fighter damage item. Against champions, the empowered hit deals 120% base AD + 5% max HP bonus physical damage — meaningful but not outstanding DPS. Against structures (turrets, inhibitors, nexus), the formula jumps to 300% base AD + 10% max HP — more than double the champion-facing formula. For a melee fighter with 77 base AD and 3,500 HP, that’s a bonus 581 physical damage per SKIPPER proc against a tower, on top of the normal auto-attack damage.

With a standard melee attack speed building into 1.5-2 attacks per second at full build, SKIPPER procs are generated every 2-3 seconds against structures (building 4 stacks → consuming → rebuilding). At 2 procs per fight in a standard 10-second tower dive: 2 × 581 = 1,162 bonus physical damage to the tower. Combined with regular auto-attack damage and the minion siege wave from BOARDING PARTY, this makes Hullbreaker the single most turret-damage-efficient item in the shop for melee fighters.

BOARDING PARTY — Sieging with the Minion Wave

BOARDING PARTY buffs allied siege minions and super minions within 1050 units of the Hullbreaker holder. The buff grants 70–130 bonus armor AND 70–130 bonus MR (melee) or 35–65 (ranged version of the holder) based on level. A Level 18 holder provides 130 bonus armor and 130 bonus MR to siege minions and super minions in range — making them effectively mini-tanks.

A late-game siege cannon minion with 130 bonus armor and 130 bonus MR is substantially harder to clear than a standard siege minion. Enemy champions trying to poke the wave with abilities face a resilient front line that absorbs damage that would normally one-shot cannon minions. The +10% increased size is a visual cue for the enemy that the minion wave is buffed — it also makes the siege minion physically larger, occupying more space in the lane and visually reinforcing the threat level of the buffed wave. Minions grow to the increased size over 0.25 seconds and shrink instantly when BOARDING PARTY’s buff expires (when the Hullbreaker holder moves beyond 1050 units from them).

SKIPPER — Full Mechanics Table

🗺️ Map-Specific Differences

🎯 When to Build Hullbreaker

Hullbreaker is built when the win condition involves a dedicated split-push strategy — one champion in a side lane continuously pressuring towers while the rest of the team either defends or threatens from elsewhere on the map. The item’s passive combination of SKIPPER (amplified turret damage) + BOARDING PARTY (minion wave siege upgrade) + +4% MS (side-lane travel speed) creates a complete split-push tool kit in one item slot.

✅ Build Hullbreaker When:

• Playing a dedicated split-pusher champion with a 1v1 win condition: Tryndamere (Undying Rage R for tower dives), Fiora (Grand Challenge R vitals + split-push kit), Nasus (Wither W + Siphoning Strike Q stack power), Darius (Apprehend E + Decimate Q lane dominance), Jax (Counter Strike E dodge + Relentless Assault P attack speed), Garen (Judgment E spin + Decisive Strike Q silence) — champions who can reliably win the 1v1 fight at the tower and pressure defenders away from contesting
• Enemy team has weak split-push response: if the enemy team lacks a strong 1v1 duelist to send as a counter-split, or their team fights are weaker when 4v5, Hullbreaker enables the split-push strategy to succeed without the second phase of the plan (winning team fights after taking the tower) being required
• HP-stacking fighters who want higher SKIPPER turret damage: SKIPPER’s max HP component (10% max HP vs structures at melee) scales with total HP; champions who naturally stack HP (Darius, Garen, Sion, Cho’Gath, Nasus) generate more bonus turret damage per SKIPPER proc as their HP pool grows from subsequent items; the HP stat itself from Hullbreaker’s +500 also contributes to both the SKIPPER formula and general survivability
• When movement speed is needed for cross-map rotation from side lane: the +4% movement speed provides meaningful traversal acceleration on SR’s large map; arriving at objectives and team fights faster after splitting is a consistent secondary benefit throughout the game

❌ Do NOT Build Hullbreaker When:

• Playing a team-fight-centric champion who needs to be grouped: Malphite (Unstoppable Force R requires grouping for maximum impact), Orianna (Command: Shockwave R centered on team), Amumu (Curse of the Sad Mummy R requires nearby allies) — champions whose primary contribution is AoE teamfight impact lose enormous value when split-pushing; Hullbreaker’s BOARDING PARTY and structure damage are wasted if the champion is never actually pushing a side tower
• Enemy has a hard counter-split-pusher: against Fiora when playing Garen, or against Tryndamere when playing Malphite top — if the enemy counter-split is a reliable 1v1 win for them, spending 3,000g on Hullbreaker while losing the split-push interaction to the counter-split is poor value; pivot to teamfight-oriented builds
• Ranged ADC split-push (generally): the ranged SKIPPER formula (84% base AD + 3.5% max HP) is significantly weaker than melee (120% + 5%); similarly, BOARDING PARTY’s ranged version provides only 35-65 bonus armor/MR vs the melee 70-130; Sundered Sky or fighter items typically outperform Hullbreaker for ranged split-push; Hullbreaker is primarily a melee fighter item

👥 Best Champions for Hullbreaker

✅ Core Melee Split-Push Carries

• Tryndamere — Undying Rage (R) invincibility during tower dives. Tryndamere’s R is the definitive split-push safety tool — activating R while diving a tower at low HP makes the dive unkillable for 5 seconds. With Hullbreaker’s SKIPPER structure damage (300% base AD + 10% max HP) proc’d every 3-4 auto-attack cycles, Tryndamere destroys towers within the 5-second R window. Battle Fury (P) crit chance scaling and Spinning Slash (E) chase/gap-close make him the premier Hullbreaker user for pure split-push.
• Fiora — Grand Challenge (R) structure-popping + Duelist’s Dance (P) vitals. Fiora’s P vital attacks deal % max HP damage that also stacks SKIPPER. Grand Challenge (R) provides a passive regen aura around a structure during the vital hits — keeping Fiora healthy during split-push tower dives. Lunge (Q) gap-close onto vital positions combined with SKIPPER empowered autos after Riposte (W) parry hits creates a consistent ability → empowered auto cycle on towers. Fiora’s 1v1 dueling kit means she can reliably defend against counter-split attempts while maintaining pressure.
• Nasus — Wither (W) + Siphoning Strike (Q) stack power. Late-game Nasus with 500+ Q stacks becomes one of the highest single-target damage dealers in the game — combined with Hullbreaker’s structure amplification and BOARDING PARTY’s minion buffing, Nasus pushes entire lanes without the enemy team being able to stop him 1v1 at sufficient stack counts. Wither’s extreme slow prevents defenders from kiting; SKIPPER builds off W+E ability cycling into empowered auto patterns.
• Darius — Hemorrhage (P) bleed + Apprehend (E) pull. Darius’s enormous HP pool from natural itemization (Darius typically builds 3,500-4,500+ HP by late game) scales SKIPPER’s max HP component significantly. A 4,500 HP Darius empowered melee SKIPPER proc against a structure: 300% × 77 + 10% × 4,500 = 231 + 450 = 681 bonus physical damage per proc. Decimate (Q) healing during extended tower dives, Apprehend (E) pulling defenders into the tower range, and Hemorrhage (P) bleed enabling burst-damage wins against counter-split threats.
• Jax — Counter Strike (E) dodge + Relentless Assault (P) stacking attack speed. Jax’s Counter Strike (E) activates and dodges during the SKIPPER stack-building window — building stacks while E is active, then landing the SKIPPER empowered hit on tower immediately after E ends (avoiding the tower’s aggro return during E dodge). Relentless Assault (P) stacking attack speed during extended tower fights means SKIPPER procs happen at an accelerating rate as the attack speed increases. Grandmaster’s Might (R) 3rd hit empowered autos can coincide with SKIPPER procs.
• Garen — Perseverance (P) HP regen + Judgment (E) spin. Garen’s Judgment (E) spin activates and continues through the SKIPPER stack-building autos — the empowered auto fires after E completes or mid-E on a structure hit. Perseverance (P) HP regen between dive windows maintains health for extended split-push. Courage (W) armor stacking scales with Hullbreaker’s +500 HP (larger HP floor means more Courage W armor over time). Garen’s silence (Decisive Strike Q) stops defenders from using escape abilities during the 1v1.

Situational Picks

• Sion (semi-split-push): Glory in Death (P) death form enables post-death tower hits that also accumulate SKIPPER stacks and can fire empowered autos on structures even after death. Sion’s naturally enormous HP pool (5,000+ HP with passive stacks) creates some of the largest SKIPPER structure procs in the game (10% × 5,000+ = 500+ HP-component damage per structure proc).
• Yorick: Maiden of the Mist (R) provides a permanent split-push minion guardian; with BOARDING PARTY buffing allied super minions nearby and SKIPPER amplifying tower damage, Yorick is perhaps the most complete minion-siege split-pusher in the game. The Maiden summons ghouls from dying enemies, BOARDING PARTY buffs the resulting super minion siege, and SKIPPER handles the direct tower damage — three mechanics working in direct concert.

❌ Not Recommended

• Teamfight-centric tanks (Malphite, Ornn, Amumu): their value multiplies with nearby allies, not when isolated in a side lane; BOARDING PARTY and SKIPPER structure damage are irrelevant when grouped
• AP damage dealers: SKIPPER’s physical damage and BOARDING PARTY’s armor/MR buffs provide no AP damage amplification; Lich Bane or ability power items are the correct structure-damage items for AP champions

⚙️ Recommended Build Paths

Tryndamere — Maximum Structure DPS

1. Tunneler — First back (1,150g) — +AD and +HP; immediate SKIPPER stack value as autos build stacks on minions during push
2. Hullbreaker — First full item — SKIPPER + BOARDING PARTY live; +4% MS; 300% base AD + 10% max HP structure formula active for tower dives under R
3. Infinity Edge — Second item — PERFECTION: 230% AD crits; Battle Fury (P) crit + IE 100% crit path; critical strikes between SKIPPER procs deal 230% AD; combined auto + SKIPPER proc burst per rotation
4. Phantom Dancer — Third item — SPECTRAL WALTZ ghost movement + 100% crit contribution; mobility through units during split-push tower dives; Ghost effect prevents slow-blocking by defenders running through Tryndamere
5. Ravenous Hydra — Fourth item situational — CRESCENT wave clear + HP lifesteal; wave-clear enables faster minion stack building for SKIPPER procs; life steal scales with SKIPPER bonus damage (applies to structures)
6. Guardian Angel — Fifth item — REBIRTH revive; split-push towers under Guardian Angel prevents dying to a counter-gank after committing to a long dive sequence

Darius — HP-Scaling SKIPPER Maximum

7. Hullbreaker — First item — +500 HP contributes immediately to SKIPPER max HP formula; BOARDING PARTY live from first split; the sooner Hullbreaker is complete, the earlier the max HP component starts scaling
8. Sunfire Aegis — Second item — IMMOLATE AoE burn in melee; +400 HP increases SKIPPER HP component; armor for sustained tower dives under defender’s autoattacks
9. Ravenous Hydra — Third item — CRESCENT wave clear for faster lane siege; omnivamp heals during extended split-push; Decimate (Q) omnivamp interactions
10. Sterak’s Gage — Fourth item — LIFELINE shield scales with HP; +400 HP increases SKIPPER HP component further; tower-dive survivability when LIFELINE activates at 30% HP under a turret
11. Black Cleaver — Fifth item — CARVE: Hemorrhage (P) stacks rapidly apply Black Cleaver armor shreds; fully shredded defender = less mitigation on SKIPPER physical damage; armor reduction amplifies both SKIPPER proc and regular autos

🔄 Similar Items — Split-Push and Fighter Damage Family

❌ Common Mistakes & How to Avoid Them

• Not building SKIPPER stacks on minions while approaching the turret: SKIPPER stacks on any enemy auto-hit — walking through the minion wave auto-ing minions passively builds stacks before reaching the turret. Arriving at a turret with 0 stacks wastes the first 4-5 autos building stacks when those autos could have been spent elsewhere. Auto-attack minions while pushing to ensure SKIPPER stacks are at 4-5 when reaching the tower
• Staying in the split-push when the team needs a 5v5 fight: Hullbreaker enables a split-push strategy, not a split-push obligation. If Baron is spawning, the enemy team is grouping for a decisive fight, or the inhibitor is down — leave the side lane and join the team. The +4% movement speed from Hullbreaker partially compensates for the travel time. Being a 4v5 anchor while the enemy takes objectives from a 5v4 advantage is the most common strategic mistake for Hullbreaker users
• Forgetting that BOARDING PARTY only buffs siege and super minions — not all minions: the temptation is to value BOARDING PARTY as a permanent all-minion buff, but only siege cannon minions (spawning every 3rd wave) and super minions (from inhibitor kills) receive the bonus armor/MR. Regular caster and melee minions are not affected. Position within 1050 units specifically when the siege cannon is present or when super minions are pushing to get full BOARDING PARTY value
• Building Hullbreaker on a teamfight champion who doesn’t split-push: SKIPPER’s 300% base AD structure damage is 0 value if the champion never hits a turret. The item’s entire design is for split-push solo tower pressure. A teamfight-oriented champion (Malphite, Orianna, Amumu) gets +40 AD, +500 HP, +4% MS, and two passives that only function when alone in a side lane — 2/3 of the item’s value is completely lost if the champion groups
• Not accounting for Arena’s SOLO PARTY replacing BOARDING PARTY: Arena players who expect BOARDING PARTY (minion wave buff) to function in Arena will find it replaced by SOLO PARTY (solo-range armor/MR bonus). The strategic implication is different — Hullbreaker becomes an anti-dive tank item in Arena (activate SOLO PARTY by advancing ahead of the team) rather than a siege utility item. Adjust the play pattern accordingly: enter engagements slightly ahead of allies to briefly benefit from the full SOLO PARTY bonus before allies close the distance

✅ Best Practices

• Auto-attack minions while pushing to pre-stack SKIPPER: every minion auto builds a stack; arrive at the turret with stacks already at 4-5 from the minion wave; first turret hit lands the empowered SKIPPER proc immediately rather than requiring 4 additional stack-building autos on the structure
• Stay within 1050 units of the siege cannon during the push: BOARDING PARTY’s range requires proximity; walk with the siege cannon as it pushes toward the tower; the 130 armor/130 MR buff on the cannon at Level 18 makes it tank-level resilient — stay in range to maintain the buff during the critical tower assault phase
• Max HP investment amplifies turret damage — stack HP items alongside Hullbreaker: each 1,000 HP adds 100 bonus physical damage to every melee SKIPPER structure proc; Sterak’s Gage (+400 HP LIFELINE), Sunfire Aegis (+400 HP IMMOLATE), Ravenous Hydra (wave clear + omnivamp) all contribute HP that simultaneously scales SKIPPER structure damage
• Rotate to team objectives after taking the tower: the +4% movement speed enables faster cross-map movement; after destroying a tower, immediately head to Baron/Dragon or rejoin team; the tempo gained from the tower trade is only valuable if it converts into an objective; staying in the side lane after the tower falls wastes the pressure advantage
• Use SOLO PARTY in Arena by advancing ahead of teammates: Arena SOLO PARTY (+100 armor, +50 MR while no allies within 1500 units) activates when ahead of the team; enter the engagement zone 1-2 seconds before allies to briefly benefit from full bonus resistance; the 3-second decay window as allies approach provides a transition period of partial resistance during the first burst phase of the round

FAQ

Q: Does SKIPPER deal proc damage or regular attack damage?

A: A: SKIPPER deals proc damage — the bonus physical damage from the empowered hit is proc damage and does NOT trigger spell effects. Items or runes that proc from ability hits or spell damage will not fire from SKIPPER’s bonus damage component. However, SKIPPER’s bonus damage DOES benefit from life steal — the bonus physical damage on a turret hit with life steal restores HP proportional to the SKIPPER bonus amount.

Q: Do SKIPPER stacks build on minion attacks?

A: A: Yes — SKIPPER stacks on any on-hit basic attack against any enemy: minions, monsters, champions, structures, and epic monsters all generate stacks. This is intentional — auto-attacking the minion wave while pushing a lane passively builds stacks so the Hullbreaker holder arrives at the turret with stacks already accumulated, enabling an immediate empowered hit on the first few tower autos.

Q: Which minions does BOARDING PARTY buff?

A: A: Only siege minions (cannon minions, spawning every 3rd wave) and super minions (from destroyed inhibitors). Regular caster minions and melee minions receive no BOARDING PARTY bonus. The buff requires the Hullbreaker holder to be within 1050 units of the siege/super minion — if the holder walks away beyond 1050 units, the buff immediately expires (minion shrinks instantly). Stay near the siege cannon during the critical push phase to maintain the full 70–130 armor/MR and +10% size bonus.

Q: Is Hullbreaker useful on ranged champions?

A: A: The ranged version of both SKIPPER (84% base AD + 3.5% max HP vs champions; 210% base AD + 7% max HP vs structures) and BOARDING PARTY (35–65 bonus armor/MR vs melee 70–130) are substantially weaker than the melee equivalents. Ranged split-pushers like Jayce (Ranged Mode) or Quinn technically benefit from Hullbreaker’s kit but at reduced effectiveness. The item is primarily designed for and most effective on melee fighters and tanks who can safely sustain auto-attack stacks in melee range of turrets.

Q: How does Arena’s SOLO PARTY differ from SR’s BOARDING PARTY?

A: A: They are completely different passives. BOARDING PARTY (SR) buffs allied siege and super minions nearby with bonus armor/MR + 10% size — irrelevant in Arena which has no minion waves. SOLO PARTY (Arena) provides a personal defensive bonus (+100 bonus armor, +50 bonus MR) when no allied champions are within 1500 units, decaying over 3 seconds when an ally approaches. SOLO PARTY rewards aggressive flanking play in Arena — engaging before allies arrive briefly activates the full solo resistance bonus before the decay begins.

Q: Does the SKIPPER structure damage bonus apply to inhibitors and the Nexus?

A: A: Yes — SKIPPER’s structure damage applies to all structures: turrets, inhibitors, and the Nexus. The 300% base AD + 10% max HP formula applies equally to every structure type. Once turrets are down and the Hullbreaker holder has access to inhibitors and eventually the Nexus, every SKIPPER empowered hit deals the full structure multiplier damage. This makes Hullbreaker effective for the entire split-push sequence beyond just tower destruction — the damage bonus persists through inhibitors and into the final Nexus assault.