Immortal Shieldbow

What is Immortal Shieldbow? 🏹

Immortal Shieldbow is the defensive crit ADC item — the Marksman’s primary survivability legendary that provides a reactive HP shield when the holder reaches the critical 30% maximum health threshold. While offensive crit items (Infinity Edge, Navori Flickerblade) maximize crit damage output, Immortal Shieldbow prioritizes keeping the ADC alive through burst attempts with LIFELINE’s automatic damage absorption shield — converting the most dangerous moment in any fight (dropping to low HP) into a second chance.

The LIFELINE passive is entirely reactive and passive — it requires no button press, no awareness, and no reaction time. When incoming damage would push the holder below 30% maximum health, LIFELINE automatically generates a shield that absorbs 400–700 damage based on champion level for 3 seconds. The shield scales from 400 at early levels to 700 at later levels, absorbing progressively more damage as the game develops. The shield value is particularly relevant in mid-to-late game where assassin burst combos regularly reach 600–900 total damage — the LIFELINE shield absorbs a substantial portion of the incoming lethal burst.

A critical mechanic note from the wiki: LIFELINE still triggers if damage is taken while ALREADY below 30% maximum health — not only when crossing the threshold for the first time. This means that if the ADC is caught at low HP and takes a hit, LIFELINE can still activate to provide the shield even after the threshold has been crossed. At 3,000 Gold, Immortal Shieldbow is one of the cheaper crit legendaries, building from Pickaxe, Noonquiver, and a 825g combine. Sell: 2,100 Gold. ID: 6673.

📊 Base Statistics

🔨 Recipe & Components

Immortal Shieldbow builds from Pickaxe + Noonquiver with an 825g combine:

🛡️ LIFELINE Passive — Complete Mechanics Reference

Trigger Condition — 30% Maximum Health Threshold

LIFELINE activates when incoming damage would reduce the holder to below 30% of their maximum health. This is a threshold-crossing trigger: if the holder is at 35% HP and takes a hit dealing 6%+ HP worth of damage (enough to push them below the 30% floor), LIFELINE generates the shield automatically before the remaining damage is calculated. The shield absorbs the overflow that would have reduced the holder below 30%, and any remaining shield value persists for the full 3 seconds.

The „already below 30%“ rule is the critical wiki note: LIFELINE still triggers if damage is taken while already below 30% maximum health — not only when crossing the threshold. If the holder is at 25% HP (already below 30%) and takes incoming damage, LIFELINE can still activate to generate the shield. This means a fighter or ADC caught at very low HP retains a chance at LIFELINE activating even after the initial threshold has been crossed, providing a second-chance survival window in prolonged fights.

Shield Duration, Value, and the 90-Second Cooldown

The LIFELINE shield lasts 3 seconds from the moment it generates. During those 3 seconds, all physical, magic, and true damage that hits the holder is first absorbed by the shield before reducing HP. The 3-second window is the critical survival duration — if the holder can survive or escape within those 3 seconds (through repositioning, ally CC on the attacker, or the attacker’s CDs expiring), LIFELINE has successfully converted a lethal scenario into survival.

The 90-second cooldown is the item’s primary constraint — LIFELINE is a once-per-fight tool in most combat contexts. A 90-second CD means the shield cannot be used more than once per extended teamfight sequence, and if it activates in an early skirmish, it won’t be available for 90 seconds afterward. The ARAM version reduces this to 75 seconds to account for ARAM’s more frequent forced combat engagements.

LIFELINE Item Group — Cannot Build Two LIFELINE Items

LIFELINE is not just Immortal Shieldbow’s passive name — it’s the item group label. Only one LIFELINE item can be equipped at a time. The LIFELINE group includes: Immortal Shieldbow, Maw of Malmortius, Sterak’s Gage, Protoplasm Harness, and other items with the LIFELINE passive. Attempting to equip a second LIFELINE item prevents the purchase — the game enforces the 1-LIFELINE limit.

The practical implication: the choice between Immortal Shieldbow (ADC physical/crit LIFELINE), Maw of Malmortius (AP-threat LIFELINE), Sterak’s Gage (fighter melee LIFELINE), and Protoplasm Harness (HP LIFELINE) is an exclusive choice — whichever LIFELINE item best fits the matchup situation is the only one available. The group restriction prevents stacking multiple shield-on-low-HP effects.

LIFELINE — Full Mechanics Table

🗺️ Map-Specific Differences

🎯 When to Build Immortal Shieldbow

Immortal Shieldbow is most effective when the ADC’s primary survival threat is burst damage that arrives faster than reaction time allows for manual defensive counterplay — the exact scenario LIFELINE’s automatic trigger is designed for. Against assassins who complete kill combos in under 1.5 seconds, no amount of manually-activated defensive items can react in time. LIFELINE activates automatically regardless of reaction speed.

✅ Build Immortal Shieldbow When:

• Enemy team has a burst assassin: Zed (Death Mark + shadows + Q combo), Talon (E Wall Dive + W + Q full combo), Rengar (Thrill of the Hunt + leap combo), Kha’Zix (Taste Their Fear + Void Spike + Leap all-in), Fizz (Playful Trickster E dodge + Chum the Waters R) — the automatic LIFELINE activation prevents the burst from being lethal even when the ADC can’t react manually; the shield buys 3 seconds to reposition, flash, or wait for the attacker’s CDs to expire
• First item when the enemy comp is assassin-heavy from champion select: if the enemy picks Zed or Rengar in champion select and an assassin composition is clear, building Immortal Shieldbow first provides the defensive shield before the midgame power spike window when assassins become most dangerous
• Playing a carry ADC who needs to survive a single-dive attempt: Miss Fortune (no mobility ability), Jinx (no dash until Get Excited P activates), Ashe (no dash at all) — immobile ADCs with no built-in escape mechanism benefit disproportionately from LIFELINE’s automatic shield; the shield compensates for the lack of a dash to escape the initial burst window
• When the alternative would be dying to one combo: at 30% HP remaining after taking poke, LIFELINE’s ‚already below 30% trigger‘ means the next attack triggers the shield even at 25% HP; running Immortal Shieldbow as a second-life mechanism in games where the ADC is being consistently dived is a direct survivability investment that enables continued DPS presence rather than death-respawn cycling

❌ Do NOT Build Immortal Shieldbow When:

• Enemy deals sustained physical/AP DPS rather than burst: against Jinx (sustained autos), Vayne (Silver Bolts sustained true damage), or other sustained DPS threats, LIFELINE activates once per 90 seconds and then provides no additional survival — the ongoing DPS continues to drain HP after the 3-second shield expires; Death’s Dance (IGNORE PAIN sustained damage reduction) or Guardian Angel (REBIRTH death revive) provide more sustained survivability against consistent DPS patterns
• ADC who already has reliable escape tools: Ezreal (Arcane Shift blink), Lucian (Relentless Pursuit double dash), Tristana (Rocket Jump W + Buster Shot R) — ADCs with strong mobility tools can often dash out of the burst window without needing LIFELINE; offensive crit items (Infinity Edge, Navori Flickerblade) that enable killing the assassin before the second combo attempt may provide more practical survival through offensive play rather than defensive shielding
• LIFELINE already used and on CD: the 90-second lockout after a LIFELINE activation means the item provides only passive AD and crit stats between activations; in a game with very frequent teamfighting (once every 2-3 minutes), LIFELINE activates in a fraction of fights; ensure other survivability items complement the between-CD windows

👥 Best Champions for Immortal Shieldbow

✅ Immobile ADC Crit Carries — Highest LIFELINE Value

• Miss Fortune — Love Tap (P) + Double Up (Q) lane bully. Miss Fortune has zero mobility ability — no dash, no blink, no escape. Against Zed or Rengar who dive a Miss Fortune, Immortal Shieldbow is the only passive survival mechanism available in the item shop. LIFELINE absorbs the burst that would otherwise be lethal, keeping MF alive long enough to use Bullet Time (R) or for teammates to peel. Double Up (Q) crit interactions benefit from both the +25% crit and the +55 AD simultaneously.
• Jinx — Get Excited (P) movement speed on kill. Jinx has no mobility until Get Excited activates from a kill — before that first kill, Jinx is immobile and vulnerable to dives. Immortal Shieldbow provides the safety net during the pre-kill laning phase and keeps Jinx alive long enough to secure the first kill that triggers Get Excited. In teamfights, LIFELINE activating during a dive keeps Jinx alive to deal the kill blow that then triggers Get Excited, converting the dive scenario into a chase and cleanup sequence.
• Ashe — Frost Shot (P) perma-slow. Ashe is the most immobile primary ADC in the game — no dash, no gap-closer of any kind. The only mobility tool is Volley (W) which provides no movement. Immortal Shieldbow is particularly impactful on Ashe because LIFELINE’s universal shield compensates for the complete absence of movement tools. The +55 AD amplifies Ashe’s Ranger’s Focus (Q) flurry and regular auto-attack damage, while +25% crit builds toward the Frost Shot doubled slow at high crit chance.
• Varus — Living Vengeance (P) attack speed on kill/assist. Varus has extremely limited mobility (Chain of Corruption R roots but is channeled). The immobile threat vulnerability that makes LIFELINE valuable is significant on Varus. The +55 AD scales his Blighted Quiver (W) damage on ability interactions and Hail of Arrows (E). Varus crit builds use Immortal Shieldbow as a survivability first item before transitioning to pure damage.
• Sivir — Fleet of Foot (P) movement speed on ability hit. Sivir’s mobility is conditional (P triggers require ability hits, Spell Shield E is reactive). Against gap-closers that bypass Spell Shield, Immortal Shieldbow’s LIFELINE provides a passive backup survival layer. Boomerang Blade (Q) and Ricochet (W) autos that crit benefit from the crit stats.

Situational Picks — Mobile ADCs Who Still Benefit

• Caitlyn: 90-Caliber Net (E) short-range escape. Caitlyn has a defensive tool but it’s on an 18-14 second CD — if E is on cooldown during an assassin dive, LIFELINE fills the gap. Immortal Shieldbow first item on Caitlyn is specifically for assassin-heavy matchups where the E CD window creates vulnerability.
• Draven: Blood Rush (W) movement speed on Spinning Axe catch. Draven’s mobility is dependent on catching Spinning Axes (W) — missing an axe removes the movement burst. Against Rengar (who jumps from stealth before Draven can react), LIFELINE’s automatic trigger compensates for the reaction-time gap that no manual item can fill.

❌ Less Optimal

• Highly mobile ADCs (Ezreal, Lucian, Tristana): dash tools reduce the lethal burst exposure that makes LIFELINE most valuable; offensive crit items generate higher DPS returns when mobility already provides burst evasion; these ADCs benefit more from Infinity Edge or Essence Reaver as first items and save Immortal Shieldbow for matchup-specific second/third item slots

⚙️ Recommended Build Paths

Miss Fortune — Defensive First Item into Burst Build

1. Noonquiver — First back (1,300g) — crit + AD component; begins Immortal Shieldbow path; +15% crit from Cloak of Agility component starts crit scaling
2. Immortal Shieldbow — First full item — LIFELINE live; +55 AD, +25% crit; shield available against Zed/Rengar dive patterns throughout the laning phase; 3,000g first item completion earlier than IE/Navori
3. Infinity Edge — Second item — PERFECTION: 230% AD crit damage; combined crit chance 25% (ISB) + 25% (IE) = 50% crit; +75 AD brings total AD to 130 from two items alone; Double Up (Q) and Bullet Time (R) both scale with the amplified crit damage
4. Runaan’s Hurricane — Third item — WIND’S FURY bolts spread in teamfights; +20% crit → 70% total; bolts crit for 230% AD; AoE damage during Bullet Time (R) for cleaving targets
5. Phantom Dancer — Fourth item — +25% crit → 95%+ total; SPECTRAL WALTZ ghost movement through units; near-100% crit with 230% AD formula active on all autos
6. Lord Dominik’s Regards — Fifth item — 35% armor pen; GIANT SLAYER HP scaling bonus; punches through the armor of tanks who try to front-line dive after LIFELINE already burned

Jinx — Surviving to the Get Excited P First Kill

7. Immortal Shieldbow — First item — LIFELINE provides survival during pre-kill immobile laning; +55 AD + +25% crit scale Q Fishbones AoE and W Pow-Pow minigun crit builds
8. Infinity Edge — Second item — PERFECTION 230% AD; 50% crit from two items; Fishbones rocket Q crits at 230% AD AoE in teamfights; explosive scaling with the higher crit multiplier
9. Navori Flickerblade — Third item — SHADOW DANCE physical ability CD reduction on crits; +30% crit → 80% total; Fishbones rocket Q CD reduced by crit hits enabling more frequent Q-mode AoE
10. Runaan’s Hurricane — Fourth item — +20% crit → 100% total; WIND’S FURY bolt crits spread AoE; all three bolt targets receive 230% AD crit simultaneously during teamfight Fishbones mode
11. Mortal Reminder — Fifth item situational — FATALITY GRIEVOUS WOUNDS; use when enemy runs heavy healing compositions; replaces Lord Dominik’s when GRIEVOUS WOUNDS is higher priority

🔄 Similar Items — ADC Survivability and LIFELINE Group

❌ Common Mistakes & How to Avoid Them

• Wasting LIFELINE activation on chip damage poke rather than saving it for the assassin dive: LIFELINE triggers automatically when damage crosses the 30% threshold — if the ADC takes repeated poke damage and crosses 30% HP from a minion or small ability hit, LIFELINE burns its 90-second CD before the assassin’s main kill attempt arrives. Manage HP in lane to avoid crossing the 30% threshold from non-lethal sources; use Doran’s Blade lifesteal or Potions to stay above 30% between fights
• Not using the 3-second LIFELINE window to escape: when LIFELINE activates, the 3-second shield window is the exit opportunity. Many players panic and continue fighting during the shield, allowing the assassin to finish the kill when the shield expires. The correct reaction on LIFELINE activation: immediately Flash, use mobility, or run toward allies — the 3 seconds is the survival window to create distance, not a signal to fight back
• Building Immortal Shieldbow against sustained DPS with no burst: LIFELINE is a once-per-90-seconds tool. Against a sustained DPS champion (Jinx, Vayne, Twitch) who continues attacking after the 3-second shield expires, LIFELINE delays but doesn’t prevent the kill. Death’s Dance (IGNORE PAIN delaying 30% of physical damage as a DoT) or Guardian Angel (REBIRTH death revive) provide more effective sustained DPS survivability than ISB’s single-burst shield
• Forgetting the 1-LIFELINE item group restriction: attempting to equip both Immortal Shieldbow and Maw of Malmortius (for physical + magic threat coverage) fails — the game prevents it. The LIFELINE group restriction means choosing one LIFELINE item is the entire decision. Assess the primary lethal threat (physical burst assassin → ISB; magic burst → Maw; mixed with priority on the AD component → ISB still better for crit ADCs)
• Not recognizing the ‚already below 30%‘ trigger in extended fights: many players think LIFELINE only triggers when first crossing 30% HP and stops working once below that threshold. The wiki explicitly states LIFELINE triggers even while already below 30% HP — if the ADC is at 25% HP and takes a hit, LIFELINE can still activate. In prolonged fights where the ADC is fighting at low HP, LIFELINE remains active as a backup shield even after the initial 30% crossing

✅ Best Practices

• Build Immortal Shieldbow first against assassin-heavy enemy compositions: complete ISB before the midgame assassin power spike window (levels 6-9 when Zed, Rengar, Talon reach first item or full combo); the 3,000g first item completes earlier than Infinity Edge (3,500g), enabling LIFELINE availability before the dangerous midgame dive window
• Stay above 30% HP in lane to preserve LIFELINE for the actual dive: use Doran’s Blade lifesteal and health potions to manage HP above the 30% threshold between fights; burning LIFELINE on minion wave damage or poke means the shield isn’t available when the assassin actually attempts the kill
• Use the 3-second LIFELINE window to escape, not to fight back: LIFELINE’s value is the 3-second exit window; Flash, dash abilities, or ally peeling during the shield window converts survival into a clean escape; fighting back burns the window without creating distance from the attacker
• Pair with Guardian Angel in assassin-dominated games: Immortal Shieldbow prevents the first kill attempt; Guardian Angel provides the revive if the second or third attempt succeeds; together they create the most comprehensive dive-survival package available to ADCs in the item shop
• On Ashe: build ISB first for safety, then Infinity Edge for permanent crit scaling: Ashe has zero mobility tools and benefits maximally from LIFELINE’s passive trigger; IE second completes the crit path while LIFELINE remains the passive survival backbone throughout the full build

FAQ

Q: Does LIFELINE trigger if the holder is already below 30% HP?

A: A: Yes — the wiki explicitly notes that LIFELINE will still trigger if damage is taken while ALREADY below 30% of maximum health. The trigger is not exclusively a threshold-crossing event. If the holder is at 25% HP and takes a hit, LIFELINE can still activate to generate the shield. This ‚already below 30%‘ behavior means LIFELINE remains a viable survival tool during prolonged low-HP fights, not only when first crossing the 30% threshold from above.

Q: Can Immortal Shieldbow and Maw of Malmortius be equipped simultaneously?

A: No — Immortal Shieldbow and Maw of Malmortius are both LIFELINE group items, and only 1 LIFELINE item can be equipped at a time. The game enforces this restriction at the item shop. Choosing between them is an exclusive decision based on the primary lethal threat: physical burst assassins (Zed, Rengar, Talon) → Immortal Shieldbow (universal shield + crit stats). AP burst assassins (Fizz, Viktor, Syndra) → Maw of Malmortius (magic damage shield + AH + MR). Both items are LIFELINE variants; only the stat profile and threat context differs.

Q: What damage types does the LIFELINE shield absorb?

A: A: All of them — the LIFELINE shield absorbs physical damage, magic damage, AND true damage simultaneously. Unlike Banshee’s Veil (which specifically blocks ability damage via spell shield) or Kaenic Rookern MAGEBANE (which absorbs magic damage only), LIFELINE’s shield is a universal damage absorption buffer. A Zed combo dealing mixed physical damage (autos, Death Mark detonation) and the residual magic damage from Death Mark are both absorbed by the shield without distinction.

Q: Is Immortal Shieldbow better than Guardian Angel for ADC survivability?

A: They serve fundamentally different purposes. Guardian Angel prevents permanent death through REBIRTH revive (300s CD). Immortal Shieldbow LIFELINE prevents a hit from being lethal in the first place (90s CD, 3-second shield). ISB is better when the threat is a single burst combo that can be survived if the initial burst is absorbed — the 90s CD allows more activations per game. Guardian Angel is better when the threat is an entire fight where dying and respawning is the recovery mechanism. In practice, building both provides the deepest survival coverage: ISB prevents the first kill attempt, GA provides one revive if the second attempt succeeds. The 3,000g ISB + 3,200g GA combination is the most gold-intensive ADC defense stack available, but also the most survivability per fight scenario.

Q: When should Immortal Shieldbow NOT be the first item?

A: When the enemy composition has no burst assassin or dive threat in champion select — against poke compositions (Jayce, Ezreal, Xerath) or teamfight compositions (Orianna, Amumu, Engage supports), the 3,000g LIFELINE shield provides less value than pure damage items because poke doesn’t trigger LIFELINE (it doesn’t hit in one burst below 30%) and teamfight burst at full HP rarely crosses the 30% threshold in a single hit early in the fight. Against these composition types, Infinity Edge first maximizes DPS output from the start rather than paying 3,000g for a reactive shield that may rarely activate.