No One for All-specific changes; identical to the Summoner's Rift version.
Effects
Unique Passive · Skipper
Basic attacks on-hit against any enemy grant a stack for 10 seconds, stacking up to 5 times. At maximum stacks, or 4 stacks, your next basic attack on-hit against a champion, epic monster, or structure consumes all stacks to deal 120% / 84%base AD(+ 5% / 3.5%maximum health)bonus physical damage, increased to 300% / 210%base AD(+ 10% / 7%maximum health) against structures.
Unique Passive · Boarding Party
Allied Blue Siege Minion and Blue Super Minion within 1050 units gain 70 to 130 for 11 / 70*0.5 to 130*0.5 for 11bonus armor and bonus magic resistance, as well as 10% increased size.
Stats: 65 attack damage, 350 health, 5% movement speed.
Unique Passive - Skipper: Basic attacks grant a stack for 10 seconds, stacking up to 5 times. The fifth stack consumes them all to deal 140% base AD / 70% base AD(+ 3.5% maximum health)bonus physical damage, increased to 400% base AD / 200% base AD(+ 7% maximum health)bonus physical damage against structures.
Unique Passive - Boarding Party: While no allied champions are within 1400 units, allied siege and super minions within 1050 units gain 20 to 135 / 10 to 68.5bonus armor and bonus magic resistance, as well as 10% increased size. The bonus resistances linger for 3 seconds when an allied champion is nearby.
Stats: 60 attack damage, 400 health, 150% base health regeneration, 5% movement speed.
Unique Passive - Boarding Party: While no allied champions are within 1400 units, gain 10;15;20;28;36;44;52;60 / 5;7;10;14;18;22;26;30bonus armor and bonus magic resistance and 20% bonusbasic damage against structures. Allied Blue Siege Minion and Blue Super Minion within 1050 units gain 10*3;15*3;20*3;28*3;36*3;44*3;52*3;60*3 / 5*3;7*3;10*3;14*3;18*3;22*3;26*3;30*3bonus armor and bonus magic resistance, 10% bonus size and deal 200% bonus damage against structures. Bonus resistances are lost instantly when an allied champion is nearby.
Limited to 1 Hullbreaker.
13.21
Boarding Party bonus resistances reduced to 10;15;20;28;36;44;52;60 / 5;7;10;14;18;22;26;30 from 10;20;35;43;51;59;67;75 / 5;10;17.5;21.5;25.5;29.5;33.5;37.5.
Boarding Party minion bonus resistances reduced to 10*3;15*3;20*3;28*3;36*3;44*3;52*3;60*3 / 5*3;7*3;10*3;14*3;18*3;22*3;26*3;30*3 from 10*3;20*3;35*3;43*3;51*3;59*3;67*3;75*3 / 5*3;10*3;17.5*3;21.5*3;25.5*3;29.5*3;33.5*3;37.5*3.
Undocumented: No longer available as an item on the Howling Abyss.
12.13
Bug Fix: Ping indicator now takes into account nearby untargetable allied champions for Boarding Party.
Bug Fix: Bonus resistances now properly decay over 3 seconds upon being in range of a nearby allied champion, instead of being lost instantly.
12.9
New Effect: Now only amplifies damage dealt by basic attacks against structures, instead of all damage.
Boarding Party bonus resistances changed to 10;20;35;43;51;59;67;75 / 5;10;17.5;21.5;25.5;29.5;33.5;37.5 from 20 to 60 / 10 to 30.
Boarding Party minion bonus resistances changed to 10*3;20*3;35*3;43*3;51*3;59*3;67*3;75*3 / 5*3;10*3;17.5*3;21.5*3;25.5*3;29.5*3;33.5*3;37.5*3 from 60 to 180 / 30 to 90.
12.5
Boarding Party bonus resistances for ranged champions reduced to 10 to 30 from 20 to 60.
Boarding Party minion bonus resistances for ranged champions reduced to 30 to 90 from 60 to 180.
Undocumented: Boarding Party bonus resistances are now lost instantly when an allied champion is nearby, rather than decaying over 3 seconds.
11.17
Health increased to 400 from 300.
11.15
Boarding Party bonus resistances increased to 20 to 60 from 20 to 45.
Boarding Party minion bonus resistances increased to 60 to 180 from 60 to 135.
Stats: 50 attack damage, 300 health, 150% base health regeneration.
Unique Passive - Boarding Party: While no allied champions are within 1400 units, gain 20 to 45bonus armor and bonus magic resistance and deal 20% bonus damage against structures. Nearby large allied minions gain 60 to 135bonus armor and bonus magic resistance and deal 200%
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+175 g = 3,000 g