•Innate - Heavy Hands: Sett's basic attacks alternate between a left punch then a right punch. Sett begins attacking with a left punch, and will reset back to it after 2 seconds of not performing a right punch.
•Sett's right punch gains 50 bonus range, attacks at 8 times the left punch's attack speed, and deals 5 to 90 (based on level) (+ 15% AD) bonus physical damage.
•Innate - Heart of the Half-Beast: Sett gains 0.25/0.5/1/2 (at level 1/6/11/16) health regeneration per second for every 5% of his missing health.

Knuckle Down (Q)

•Active: Sett gains 30% bonus movement speed within 1.5 seconds while moving towards enemy champions.
•Sett's next two basic attacks within 5 seconds each deal 10/20/30/40/50 (+ 1/2/3/4/5% (+ 1% per 100 AD) of target's maximum health) bonus physical damage, capped at 400 damage per punch against minions and monsters. Consuming an attack will refresh the timer.
•Knuckle Down resets Sett's basic attack timer.
•Cooldown: 9/8/7/6/5 seconds.

Haymaker (W)

•Passive: Sett stores 100% of post-mitigation damage taken as Grit on his secondary resource bar, up to 50% of his maximum health. Each instance of accumulated Grit decays by 30% every second after 4 seconds.
•Active: Sett blasts an area in the target direction, dealing 90/125/160/195/230 (+ 25% (+ 10% per 100 bonus AD) of expended Grit) physical damage to enemies hit. Enemies hit through the center take true damage instead.
•Down but not out: Sett also gains a rapidly decaying shield for 3 seconds equal to the Grit expended.
•Cost: 100% of current Grit.
•Cooldown: 16/14/12/10/8 seconds.
•Target Range: 790.
•Width: 805 / 180.
•Angle: 27 degrees.
•Cast Time: 0.75 seconds.

Facebreaker (E)

•Active: Sett airborne enemies at his front and back, dealing 50/80/110/140/170 (+ 60% AD) physical damage and slow them by 50% for 0.5 seconds.
•If Facebreaker affects at least one enemy on each side, all enemies are stun for 1 second upon landing.
•Cooldown: 16/14.5/13/11.5/10 seconds.
•Target Range: 490.
•Width: 350.

The Show Stopper (R)

•Active: Sett suppression the target enemy champion and then dashes with displacement immunity at a fixed distance toward it, airborne it along for 1.5 seconds before slamming it into the ground.
•Enemies within the impact area take 200/300/400 (+ 100% bonus AD) (+ 40/50/60% of primary target's bonus health) physical damage, reduced by up to 40% on the edges, and are slow by 99% for 1.5 seconds.
•The dash will prematurely end upon reaching a wall that cannot be dashed through.
•Cooldown: 120/110/100/90/80 seconds.
•Target Range: 400.
•Effect Radius: 600.

PC AzirBuff

R base damage and wall duration increased.

Emperor's Divide

•Base damage increased to 175/325/475 from 150/250/450.
•Wall duration increased to 5 seconds from 3.

PC CorkiBuff

R base damage increased later.

Missile Barrage

•Base damage increased to 90/125/160 from 90/115/140.

PC JayceBuff

Cannon Q base damage increased later.

Shock Blast

•Base damage increased to 55/110/165/220/275/330 from 55/105/155/205/255/305.

PC KalistaBuff

Base health and armor growth increased.

Stats

•Health growth increased to 100 from 89.
•Armor growth increased to 4 from 3.5.

PC Kog'MawBuff

R mana penalty duration now displays on icon.

Living Artillery

•New Effect: Mana debuff duration now displays on the icon's .

PC NamiBuff

E now also empowers the target's abilities.

Tidecaller's Blessing

•New Effect: Now also empowers abilities to deal bonus magic damage and apply the slow.
•New Effect: Empowered area-of-effect abilities only deal 33 to 66% (based on level) of the bonus damage to non-champions.

PC SejuaniBuff

Base health growth increased. Frost Armor resistances ratio increased. E base damage increased later.

Stats

•Health growth increased to 100 from 95.

Fury of the North

•Bonus armor ratio increased to 50% bonus armor from 35%.
•Bonus magic resistance ratio increased to 50% bonus magic resistance from 35%.

Permafrost

•Base damage increased to 40/90/140/190/240 from 40/80/120/160/200.

PC ViBuff

R now Unstoppable for its whole duration.

Assault and Battery

•New Effect: Is now displacement immune during the entire animation, instead of just during the charge and not the uppercut animation.

PC ApheliosNerf

Base movement speed and health decreased. Infernum R AoE damage decreased on secondary targets.

Stats

•Movement speed reduced to 325 from 330.
•Base health reduced to 500 from 530.

Moonlight Vigil

•Infernum splash damage reduced to 75% from 100%.

PC Aurelion SolNerf

Passive stars base damage decreased.

Center of the Universe

•Base damage reduced to 12 to 120 (based on level) from 16 to 120 (based on level).

PC MordekaiserNerf

Passive duration decreased; movement speed now flat.

Darkness Rise

•Duration reduced to 4 seconds from 5.
•Bonus movement speed reduced to 3% at all levels from 3/6/9%.

PC DravenChange

General

•Bug Fix: Recall voice over lines restored.

PC IllaoiChange

Test of Spirit

•Bug Fix: Can no longer pull spirits of targets protected by Black Shield.

PC JaxChange

R now works with Guinsoo's Rageblade

Grandmaster's Might

•Bug Fix: Guinsoo's Rageblade Phantom Hits now properly triggers Grandmaster's Might and apply Grandmaster's Might stacks.

PC KassadinChange

Movement speed decreased. R mana penalty duration now displays on icon.

Stats

•Base movement speed reduced to 335 from 340.

Riftwalk

•New Effect: Mana debuff duration now displays on the icon's .

PC ShyvanaChange

Gains resistances when slaying Elder Dragon. Fury gains increased in lieu of ultimate CDR when slaying Cloud Drakes. E marked target damage ratio and monster damage cap increased.

Fury of the Dragonborn

•New Effect: Now also gains 5 bonus armor and magic resistance for every Elder Dragon her team slays.

Flame Breath

•Target's health ratio increased to 3.75% of target's maximum health from as 3.25%.
•Monster damage cap increased to 150 from 100.

Dragon's Descent

•New Effect: Cloudbringer's Grace now grants 10/20/30/40% (based on stacks) increased Fury generation.

PC SylasChange

Less base stats early, more later. Passive now gives attack speed. W cooldown decreased. E AP ratio increased. W, E1, and R basic attack reset removed.

Stats

•Base health reduced to 525 from 585.
•Health growth increased to 115 from 95.
•Base armor reduced to 27 from 32.
•Armor growth increased to 4 from 3.
•Base magic resistance reduced to 32 from 39.
•Magic resistance growth increased to 1.75 from 1.25.

Petricite Burst

•Primary target AP ratio increased to 25% AP from 20% AP.
•Effect radius reduced to 300 units from 400.
•New Effect: Now grants 60% bonus attack speed while he has a charge.
•Maximum charges increased to 3 from 2.
•New Effect: Damage to secondary targets now executes minions below 25 health.

Chain Lash

•Cooldown increased to 10/9/8/7/6 seconds from 9/8/7/6/5.
•Lash base damage reduced to 40/55/70/85/100 from 45/70/95/120/145.
•Lash AP ratio reduced to 40% AP from 60% AP.
•Lash slow duration reduced to 1.5 seconds from 2.
•Detonation base damage increased to 60/105/150/195/240 from 45/70/95/120/145.
•Detonation AP ratio increased to 80% AP from 60% AP.
•Detonation damage reduction against minions and monsters increased to 60% from 45%.
•Removed: The detonation no longer slow for 22.5/30/37.5/45/52.5% for 2 seconds.

Kingslayer

•Removed: No longer resets Sylas' basic attack timer.
•Damage AP ratio increased to 85% AP from 65% AP.
•Base heal reduced to 30/60/90/120/150 from 70/90/110/130/150.
•Cooldown reduced to 14/12.5/11/9.5/8 seconds from 14/13.5/13/12.5/12.
•Removed: Damage is no longer increased by 50% against targets below 40% of their maximum health.
•Removed: Healing is no longer increased by 75% if Sylas is below 40% of his maximum health.
•New Effect: Healing is now increased by 0 to 100% (based on Sylas' missing health).
•Mana cost increased to 70/80/90/100/110 from 40/45/50/55/60.

Abscond

•Removed: No longer resets Sylas' basic attack timer.
•Cooldown reduced to 14/13/12/11/10 seconds from 14 at all ranks.
•Removed: No longer shields for 80/115/150/185/220 (+ 100% AP) against magic damage for 2 seconds upon dashing.

Abduct

•Base damage increased to 80/130/180/230/280 from 70/85/100/115/130.
•AP ratio increased to 100% AP from 20% AP.
•Removed: Can no longer cast Chain Lash while dashing.
•Lock out after dashing reduced to 0.05 seconds from 0.2.

Hijack

•Removed: No longer resets Sylas' basic attack timer.

PC ThreshChange

General

•New visual effects.
•Basic attack trails added with new hit effects.
•Idle effects cleaned up and improved his idle effects overall to match his actual appearance.
•All skins generally cleaned up and matched with the base skin changes.