V5.1

Runes
Tier 1 and 2 rune prices standardized and reduced:
 * Tier 1 Marks, Seals, and Glyphs: from.
 * Tier 1 Quintessences: from.
 * Tier 2 Marks, Seals, and Glyphs: from.
 * Tier 2 Quintessences: from.

Tier 1 and 2 runes now only offered in their primary type:
 * Marks: Attack Damage, Attack Speed, Armor Penetration, Magic Penetration
 * Seals: Armor, Magic Resistance, Health, Health Regeneration
 * Glyphs: Ability Power, Cooldown Reduction, Mana Regeneration, Magic Resistance
 * Quintessences: Attack Damage, Attack Speed, Armor Penetration, Magic Penetration, Armor, Magic Resistance, Health, Ability Power, Cooldown Reduction, Life Steal, Movement Speed

Rune Combiner removed.

League of Legends V5.1
The following skins have had their textures recolored to match the new Summoner's Rift's color palette.
 * Texture Rebalance Part 5
 * - Classic, Blackthorn, Blade Mistress, Exiled, and Sinful Succulence
 * - Classic, Northern Storm, and Thunder Lord


 * Champion Portrait Updates
 * Azir, Cho'Gath, Ezreal, Gragas, Graves, Janna, Jarvan IV, Kayle, Kog'Maw, Lee Sin, Malphite, Maokai, Orianna, Renekton, Rengar, Rumble, Shyvana, Sion, Talon, Tristana, Udyr, Vayne, Veigar, Viktor, Zilean


 * Overlapping Crowd Control Effects
 * 'To be turned on at a later date in the patch: Fixed a long-standing bug where champions with overlapping crowd control effects could occasionally use abilities (,, etc) when transitioning between disables.

Champions

 * General
 * Classic splash changed.
 * Classic splash changed.


 * General
 * New ability icons.
 * New model for all skins.
 * New/modified textures for all skins.
 * Modified animations to suit the new model.
 * New ultimate particle effects.
 * New ultimate particle effects.


 * Fixed a bug where a sand soldier would appear to attack but fail to do damage.
 * Fixed a bug where a sand soldier would appear to attack but fail to do damage.
 * Fixed a bug where a sand soldier would appear to attack but fail to do damage.


 * Mana cost increased to 100 from 50.
 * Mana cost increased to 100 from 50.
 * Mana cost increased to 100 from 50.


 * Maximum bonus magic damage to monsters increased to 75 / 100 / 125 / 150 / 175 from 50 / 75 / 100 / 125 / 150.
 * Maximum bonus magic damage to monsters increased to 75 / 100 / 125 / 150 / 175 from 50 / 75 / 100 / 125 / 150.
 * Maximum bonus magic damage to monsters increased to 75 / 100 / 125 / 150 / 175 from 50 / 75 / 100 / 125 / 150.


 * Bonus mana regeneration while stealthed changed to +2% missing mana per second from +1% maximum mana per second.
 * Strikes now apply on-hit effects.
 * Strikes no longer apply spell effects.
 * Strikes now apply on-hit effects.
 * Strikes no longer apply spell effects.
 * Strikes no longer apply spell effects.


 * Fixed a bug where Fizz wouldn't proc if used too close to the target.
 * Fixed a bug where Fizz wouldn't proc if used too close to the target.
 * Fixed a bug where Fizz wouldn't proc if used too close to the target.


 * Cooldown refund on catch reduced to 45% from 60%.
 * Now passively increases Boomerang Throw's cooldown refund on catch to 50/55/60%.
 * Cooldown refund on catch reduced to 45% from 60%.
 * Now passively increases Boomerang Throw's cooldown refund on catch to 50/55/60%.
 * Now passively increases Boomerang Throw's cooldown refund on catch to 50/55/60%.


 * Mana cost reduced to 20 / 23 / 26 / 29 / 32 from 24 / 26 / 28 / 30 / 32.
 * Healing cap against minions/monsters increased to 90 / 120 / 150 / 180 / 210 from 60 / 90 / 120 / 150 / 180.
 * Mana cost reduced to 20 / 23 / 26 / 29 / 32 from 24 / 26 / 28 / 30 / 32.
 * Healing cap against minions/monsters increased to 90 / 120 / 150 / 180 / 210 from 60 / 90 / 120 / 150 / 180.
 * Healing cap against minions/monsters increased to 90 / 120 / 150 / 180 / 210 from 60 / 90 / 120 / 150 / 180.


 * Missile width reduced to 120 from 150.
 * Missile width reduced to 120 from 150.
 * Missile width reduced to 120 from 150.


 * Damage modifier reduced to 70 / 80 / 90 / 100 / 110 % from 70 / 85 / 100 / 115 / 130 %.
 * Damage modifier reduced to 70 / 80 / 90 / 100 / 110 % from 70 / 85 / 100 / 115 / 130 %.
 * Damage modifier reduced to 70 / 80 / 90 / 100 / 110 % from 70 / 85 / 100 / 115 / 130 %.


 * While Kalista still can't cancel her basic attack, she can select a different target during the first moments of her basic attack wind up.
 * Soul-Marked: Per target cooldown reduced to 6 seconds from 8.
 * Soul-Marked duration increased to 1.5 seconds from 1.
 * Soul-Marked: Per target cooldown reduced to 6 seconds from 8.
 * Soul-Marked duration increased to 1.5 seconds from 1.
 * Soul-Marked duration increased to 1.5 seconds from 1.


 * Base shield strength changed to 65 / 70 / 75 / 80 / 85 from 100 / 150 / 200 / 250 / 300.
 * Scaling changed to from.
 * Base shield strength changed to 65 / 70 / 75 / 80 / 85 from 100 / 150 / 200 / 250 / 300.
 * Scaling changed to from.


 * Damage reduced to 15 / 30 / 45 / 60 / 75 from 15 / 35 / 55 / 75 / 95.
 * AP ratio reduced to 70% from 100%.
 * Bonus AD ratio reduced to 40% from 50%.
 * AP ratio reduced to 70% from 100%.
 * Bonus AD ratio reduced to 40% from 50%.
 * Bonus AD ratio reduced to 40% from 50%.
 * Bonus AD ratio reduced to 40% from 50%.


 * Fury decay rate increased to 4 per second from 2.
 * Healing is no longer affected by armor and is defined as specific values instead of a percentage of damage dealt. The healing cap remains unchanged.
 * Healing against minions changed to 3 / 4.5 / 6 / 7.5 / 9 from 5% of damage dealt.
 * Healing against champions changed to 9 / 13.5 / 18 / 22.5 / 27 from 20% of damage dealt.
 * Empowered healing against minions changed to 9 / 13.5 / 18 / 22.5 / 27 from 10% of damage dealt.
 * Empowered healing against champions changed to 27 / 40.5 / 54 / 67.5 / 81 from 40% of damage dealt.
 * Fury generation against minions reduced to 2.5 from 5.
 * Fury generation against champions increased to 10 from 5.
 * Now generates a bonus 10 Fury against champions.
 * Now generates 2.5 Fury for each minion hit and 10 Fury for each enemy champion hit.
 * Fury generation against champions increased to 10 from 5.
 * Now generates a bonus 10 Fury against champions.
 * Now generates 2.5 Fury for each minion hit and 10 Fury for each enemy champion hit.
 * Now generates 2.5 Fury for each minion hit and 10 Fury for each enemy champion hit.
 * Now generates 2.5 Fury for each minion hit and 10 Fury for each enemy champion hit.


 * Fixed a bug where the cooldown between Harpoon casts was shorter on.
 * Fixed a bug where the cooldown between Harpoon casts was shorter on.
 * Fixed a bug where the cooldown between Harpoon casts was shorter on.


 * Fixed a bug where if Sion was killed while affected by a healing debuff (ex. Grievous Wounds), he would revive in his zombie form with reduced health.
 * Fixed a bug where if Sion was killed while affected by a healing debuff (ex. Grievous Wounds), he would revive in his zombie form with reduced health.
 * Fixed a bug where if Sion was killed while affected by a healing debuff (ex. Grievous Wounds), he would revive in his zombie form with reduced health.


 * Mana cost reduced to 16 / 17 / 18 / 19 / 20 from 16 / 18 / 20 / 22 / 24.
 * Cooldown reduced to 12 / 11.5 / 11 / 10.5 / 10 seconds from 12 at all ranks.
 * Mana cost reduced to 16 / 17 / 18 / 19 / 20 from 16 / 18 / 20 / 22 / 24.
 * Cooldown reduced to 12 / 11.5 / 11 / 10.5 / 10 seconds from 12 at all ranks.
 * Cooldown reduced to 12 / 11.5 / 11 / 10.5 / 10 seconds from 12 at all ranks.


 * Stats
 * Movement speed reduced to 325 from 330.
 * 's Staccato damage reduced to 40% from 50%.
 * 's Staccato damage reduced to 40% from 50%.
 * 's Staccato damage reduced to 40% from 50%.


 * Damage reduced to 50 / 95 / 140 / 185 / 230 from 70 / 110 / 150 / 190 / 230.
 * Now checks for s more strictly.
 * Damage reduced to 50 / 95 / 140 / 185 / 230 from 70 / 110 / 150 / 190 / 230.
 * Now checks for s more strictly.
 * Now checks for s more strictly.


 * Tooltip updated to reflect the actual maximum stun duration of 2.25 seconds from incorrectly listing 2 seconds.
 * Tooltip updated to reflect the actual maximum stun duration of 2.25 seconds from incorrectly listing 2 seconds.
 * Tooltip updated to reflect the actual maximum stun duration of 2.25 seconds from incorrectly listing 2 seconds.

Items

 * Item exchanges (utility)
 * Trinkets, unenchanted jungle items, and boot enchantments can now be exchanged.
 * Trinkets can be exchanged with other trinkets of equal level.
 * Cost: 100% cost of the new trinket - 70% cost of the old trinket.
 * 120 second cooldown unchanged.
 * Exchanging Oracle's Lens for another trinket will not refund gold.
 * Rengar's Bone Tooth Necklace cannot be exchanged.
 * Unenchanted jungle items can be exchanged with another unenchanted jungle item.
 * Cost: Free.
 * Jungle item enchantments cannot be exchanged.
 * Boot enchantments can now be exchanged.
 * Cost: 100% cost of the new enchantment - 50% cost of the old enchantment. Boot cost not considered.


 * Combine cost reduced to 1200g from 1250g.
 * Total cost reduced to 2800g from 2850g.
 * Total cost reduced to 2800g from 2850g.


 * Combine cost reduced to 435g from 445g.
 * Total cost reduced to 1015g from 1025g.
 * Health increased to 200 from 180.
 * Health regeneration increased to 125% from 100%.
 * Easter Egg: Can now be found by searched "Golden Arm of Kobe", "Golden Bicep of Kobe", "Horn of the ManWolf", or "ManWolf".
 * Easter Egg: Can now be found by searched "Golden Arm of Kobe", "Golden Bicep of Kobe", "Horn of the ManWolf", or "ManWolf".


 * Bonus gold increased to 15 from 10.
 * Bonus gold increased to 15 from 10.


 * Critical strike chance reduced to 20% from 25%.
 * Critical strike chance reduced to 20% from 25%.


 * Recipe cost increased to 880g from 680g.
 * Total cost increased to 2300g from 2100g.
 * Total cost increased to 2300g from 2100g.


 * Critical strike chance increased to 35% from 30%.
 * Critical strike chance increased to 35% from 30%.


 * Bonus gold increased to 30 from 20.
 * The cooldown reduction mechanic now affects the recharge timer instead of the cooldown.
 * The cooldown reduction mechanic now affects the recharge timer instead of the cooldown.


 * Bonus gold increased to 30 from 20.
 * Bonus gold increased to 30 from 20.


 * Bonus gold increased to 30 from 20.
 * Bonus gold increased to 30 from 20.


 * Bonus gold increased to 30 from 20.
 * Chilling Smite slow reduced to 20% from 50%.
 * Chilling Smite now steals the movement speed, granting the user a bonus.
 * Chilling Smite now steals the movement speed, granting the user a bonus.


 * Cost reduced to 250g from 475g.
 * Cost reduced to 250g from 475g.


 * Cooldown reduced to 60 seconds from 90.
 * Cost reduced to 250g from 475g.
 * Cost reduced to 250g from 475g.


 * Cooldown reduced to 120 seconds from 180.
 * Cost reduced to 250g from 475g.
 * Cost reduced to 250g from 475g.


 * Cooldown increased to 75 seconds from 60.
 * Cooldown increased to 75 seconds from 60.


 * (new item)
 * Recipe: +  + 950g = 2800g
 * Stats: +50 armor, +50 magic resistance, +100% base health regeneration
 * Grants +30% bonus movement speed that build up over 2 seconds when near turrets or Void Gates.
 * Spawns a gate at the target location for 150 seconds (150 second cooldown, can't be placed near turrets). Every 4 seconds the gate spawns a volatile voidspawn that travels down the nearest lane. Voidspawn will behave as standard minions except they will ignore champions and explode on contact with a turret, dealing a burst of damage. After 4 seconds, a voidspawn's health will rapidly decay to 0. The fourth voidspawn and every voidspawn thereafter will deal bonus damage equal to 50% of your resistances.
 * Void Gate
 * Health: X + (Ylevel)
 * Voidspawn
 * Health: X + (Ylevel)
 * Attack Damage: X + (Ylevel) increasing by  after 3 voidlings have spawned
 * Explosion Damage: X + (Ylevel) increasing by  after 3 voidlings have spawned

Summoner's Rift

 * Map textures
 * Very Low and Low texture settings have been updated to be sharper and less noisy.


 * Turret aggro
 * and other movement abilities that relocate a champion's hitbox no longer drop turret aggro if used at a certain time during the turret attack cycle.


 * Base Gates
 * Added in between middle and outer lanes.

Jungle

 * Jungle AI
 * Jungle monsters will 'hard' reset after 5 soft leashes, reduced from 10.
 * Soft leash refers to when a monster camp either loses aggro on its target or switches to a different target.


 * Jungle scaling
 * Champions receive less experience if the cleared monster camp is three levels below them, increased from two.


 * Now knocks away wards when located at/moving to starting location.
 * Tooltip bonuses for second and fourth Dragon buffs have been swapped to accurately reflect the change we made in V4.21.
 * Tooltip bonuses for second and fourth Dragon buffs have been swapped to accurately reflect the change we made in V4.21.


 * AD
 * Base attack damage reduced to 240 from 500.
 * Attack damage growth per minute increased to 8 (starting from 0:00) from 0, capped at +310 AD at 40:00.
 * Attack damage at spawn reduced to 400 from 500.
 * Health
 * Base health reduced to 6400 from 8800.
 * Health growth per minute increased to 180 from 140.
 * Health at spawn reduced to 10000 from 11600.
 * Melee attack
 * AoE radius reduced to 175 from 350.
 * Basic attack damage reduced to 100% of AD from 130%.
 * Single target rear attack damage reduced to 100% of AD from 115%.
 * AoE rear damage damage reduced to 50% of AD from 115%.
 * Spells
 * Void corruption aura now scales with 5% of his AD.
 * Spell is now cast once every 6 attacks from once every 4 or 5 attacks.
 * Acid shot damage reduced to 20% of AD from 50%.
 * Acid shot damage ratio reduced to 20% of AD from 100%.
 * Acid pool damage reduced to 10% of AD from 40%.
 * Tentacle knockup damage reduced to 25% of AD from 75%.
 * Tentacle knockup damage reduced to 25% of AD from 75%.

Howling Abyss

 * Global aura
 * Healing effects by allies now reduced by 50% from 20%.
 * Self healing effects are still reduced by 20%.
 * Mana regeneration reduced to +15% of maximum mana per 5 seconds from +30%.

Summoner spells

 * Now uses a charge system, regenerating charges every 75 seconds, storing up to 2 charges from a cooldown of seconds.
 * Smite starts with 1 charge and only begins to gain additional charges at 1:40.
 * Cooldown between Smite casts changed to 15 seconds.
 * Cooldown between Smite casts changed to 15 seconds.