League of Legends Arena has received a lot of balance updates with patch 14.15. Much like Swarm, it too has received tweaks to several features and mechanics.
Some of the major highlights of the update are changes to Koi Pond along with the balance tweaks to Augments, items, and champions.
Here is every change that made its way to Arena with League of Legends patch 14.15.
League of Legends patch 14.15 Arena changes
1) Koi Pond changes
Lilypad
- Close Time increased from 5.4s > 10.8s
- Respawn Time increased from 6.6s > 3.2s
Blastcones
- Bug Fix: Fixed a bug where the Chemtech Blastcones would behave like a normal Blastcone after being used once
- Moved the Blastcone on the North Island slightly closer to the centerBlastcone cooldown increased from 5>10s
- Removed the Blastcone on the South-East Island
Hexgates
- Hexgate Cooldown reduced from 12>8s (Koi Pond only)
Brush
- More Brush has been added to each island
Player Spawn Locations
- Players can no longer spawn on the South-East Island
Ring of Fire
- The initial size increased by 16% (Koi Pond only). Making it so you have more time before the initial ring starts to shrink and are able to respond.
- The Ring can now close on any island but it is much more likely to close to choose the South-East Island
Movement
- Clicking on an island when the Lilypad is closed will no longer cause your champion to stand still, and instead will move you to the closest point on the edge of your island.

2) Augments and Prismatic Items
A) Prismatic Augments
Fan the Hammer
- Each cardinal direction has a 3s Cooldown
- Each bolt can crit and applies On-Hit effects at 20% effectiveness.
Dual Wield
- Your Attacks and On-Hits deal 50% less damage.
- Gain 250% Attack Speed.
Ultimate Roulette
- Replace Summoner Flee with a random champion’s ultimate with a drastically reduced Cooldown.
- Reroll the ultimate each time you cast it.
- Possible champion ultimates: Dr. Mundo, Lux, Lucian, Cho’Gath, Gangplank, Gragas, and Morgana
Prismatic Egg
- Your 1st takedown on each champion in a round grants 1 stack.
- At 5 stacks this hatches into a Prismatic Anvil. Then, every 7 stacks, you’ll hatch another.
Stats on Stats on Stats!
- Gain 4 Stat Anvils!
Twilight’s Edge
Stats:
- 70 Attack Damage
- 100 Ability Power
The Path Between
- Threshold 130 Bonus Attack Damage and 180 Ability Power: At the start of each combat, randomly enter either the Spirit World or the Material World.
- Spirit World: Gains 20% Ability Power and 30-120 (level) Ability Haste.
- Material World: Gain 20% Attack Damage and 50%-150% (level) Attack Speed.
Hexbolt Companion
Stats:
- 75% Attack Speed
- 500 Health
Covering Fire
- While near your ally, every second Attack fires a bolt from them to the target, dealing physical damage and applying your ally’s On-Hit effects.
Reaper’s Toll
Stats:
- 40 Adaptive Force
- 50% Attack Speed
- 10% Move Speed
Sow
- Increases your Attack Speed from all sources by 25%.
Reap
- On-Hit, deal a small amount of percent max Health true damage, and reduce their max Health by the damage dealt for the rest of the round. Consecutive hits against the same enemy increase the damage.
Reverberation
Stats
- 35 Armor
- 35 Magic Resist
- 40% Attack Speed
Reverberate
- Gain max Health scaling with your Bonus Attack Speed.
Resonate
- Attacks deal additional magic damage On-Hit, scaling with your max Health.
- When struck by an Attack or Ability, gain 5 stacks of Resonating for 6 seconds. Immobilizing an enemy champion applies your On-Hit effects 3 times and grants 25 stacks of Resonating.
Rumble
- While at 100 Resonating, Pull in nearby enemies every 8 seconds.
Lighting Rod
Stats
- 500 Health
- 30 Armor
- 30 Magic Resist
- 8% Move Speed
Call Lighting
- Every 14 seconds, Autocast a stormcloud above you, which after a brief delay fires a lighting bolt, dealing max Health magic damage and Slowing for 2 seconds. If you are struck by the lighting, gain a Shield for 2 seconds.Fully Automated
- Your Autocast Cooldowns are reduced by 1 second and benefit from your Ability Haste.
Diamond-Tipped Spear
Stats
- 75 Adaptive Force
- 30% Attack Speed
Reach Weapon
- Increase your Attack Range by 75.
Sweet Spot
- Deal up to 30% increased damage with Attacks and 40% with Abilities based on how far your target is from you.
Pyromancer’s Cloak
Stats
- 85 Adaptive Force
- 400 Health
- 15 Ability Haste
Spark
- Attacks or Ability hits against an enemy champion Burn them, dealing magic damage over 3 seconds.
Cleansing Flame
- Applying a Burn to an enemy champion creates a nearby Blaze for 5 seconds. While in a Blaze, gain 20% Move Speed and 5% Omnivamp. Enemies inside take 75 magic damage per second.
- The size and strength of Blazes scale with how many unique Burn sources you have.
- 50 Magic Damage, 2% Omnivamp, and 4% Move Speed per unique Burn source.
Twin Mask
Stats
- None!
Unanimity
- Gain a percent of your teammate’s Health, Armor, Magic Resist, Atack Damage, Ability Power, Attack Speed, and Ability Haste, doubled if they also have Twin Mask and are alive.
Black Hole Gauntlet
Stats
- 800 Health
- 25 Ability Haste
- 200% Base Health Regen
Accretion
- On-Hit, gain 1 stack of Accretion, and 5 stacks for Immobilizing an enemy champion. These stacks last all round, capped at 50 stacks. Each stack increases your size and Base Health Regen.
Active: Dark Star
- Summon a Black Hole that scales with your size and durability. It pulls in nearby enemies and deals magic damage each second, and grants 1 stack of Accretion. Lasting longer scaling with max Health.
Regicide
Stats
- 60 Attack Damage
- 15 Lethality
- 8% Move Speed
End the Line
- At the start of each round, declare the lowest health enemy the Regent. Getting a takedown on the Regent grants you permanent Attack Damage and refreshes your Ultimate’s Cooldown.
Kinkou Jitte
Stats
- 70 Adaptive Force
- 12 Lethality
- 12 Magic Penetration
- 30 Ability Haste
Between the Ribs
- You can see weakpoints in nearby enemy champions. Dealing damage through the weakpoint deals percent max Health true damage scaling with Lethality and Flat Magic Penetration and grants Move Speed for 1.5 seconds
Puppeteer
Stats
- 30 Ability Power
- 15% Heal and Shield Power
- 40 Ability Haste
- 125% Base Mana Regen
Pull Their Strings
- Attacking a champion adds a stack for 5 seconds. At 4 stacks, Berserk them for 2 seconds. You grant Berserk enemies additional Attack Speed scaling with Heal/Shield Power, and Move Speed.
- 45 second Cooldown.
- Healing, Shielding, or buffing yourself or an ally with an Ability reduces the Cooldown by 5 seconds.
- If only one enemy is alive, instead Fear them for the same duration.
B) Gold Augments
Light Warden
- Every few seconds, Autocast a warding light towards your ally, Shielding yourself and allies it passes through. It then returns to you, repeating the effects.
Fruits of your Labor
- Share the effects of Power Flowers with your nearby ally, and increase the benefits you gain from them by 25%.
Summoner Revolution
- For each Summoner Spell refresh its Cooldown once per round.
Stats on Stats!
- Gain 3 Stat Anvils!
C) Silver Augments
Slime Time
- Every few seconds Autocast a burst of slime dealing max Health magic damage to nearby enemies.
- If you hit a champion, secrete a blob nearby. Moving over the blob restores Health, while enemies destroy it.
Trailblazer
- Whenever you Dash or Blink, Burn a nearby enemy for max Health magic damage over 5 seconds.
Fire Sale
- Instantly sell all of your non-quest items for 100% of their value.
Stats!
- Gain 2 Stat Anvils!
Fully Automated
- This Augment has been removed.
3) Balance Adjustments
A) Champion
Malzahar
- Voidling AD Ratio: 40% bonus AD >>> 60% bonus AD
Corki
- W Total AP Ratio: 150% >>> 180%
Xin Zhao
- Passive Heal AP Ratio: 65% >>> 85%
- E AP Ratio: 60% >>> 90%
Jarvan IV
- E AP Ratio: 80% >>> 100%
Leona
- W AP Ratio: 40% >>> 70%
- R AP Ratio: 80% >>> 100%
Alistar
- E AP Ratio Per Tick: 7% >>> 10%Champion Nerfs
Volibear
- W Missing Health Heal: 6/9/12/15/18% >>> 6/8/10/12/14%
- W Bonus Health Damage: 6% >>> 5%
Morgana
- Q Cooldown: 10 >>> 12
Mordekaiser
- R Stat Steal: 10% >>> 8%
Singed
- Q Total AP Ratio: 70% >>> 65%
- R Bonus Stats: 30/65/100 >>> 30/55/80
B) Items
Trinity Force
- Ability Haste: 15 >>> 20
- Attack Damage: 30 >>> 35
Luden’s Companion
- Ability Haste: 20 >>> 25
- Ability Power: 80 >>> 85
4) Arena Bugfixes
- Fixed multiple bugs from PBE with new Arena items.Fixed multiple bugs from PBE with new Arena Augments.
- Fixed a bug with Aurora missing recommended items.
- Fixed a bug with Marksmage tracker tracking damage to Blastcones and Power Flowers.
- Fixed a bug with Raidboss camera not zooming in correctly.
- Fixed a bug with Spellwake dealing inconsistent damage at random times.
- Fixed a bug allowing Olaf to use R Ragnarok to break out of Raid Boss early.
- Fixed a bug with Heavy Hitter’s tooltip not displaying damage.
- Fixed a bug with revive circles desynced from the actual revive zone if a champion died while in forced movement.
- Fixed a bug with Ethereal Weapons causing Gragas W to deal more damage than intended.
- Fixed a bug with ADAPt resulting in negative Ability Power.
- Fixed a bug with Flesheater Hack the Meat debuff not displaying on enemies.
- Fixed a bug with Stackosaurus granting bonus stacks to everyone in the lobby, and stackosaurus stacking with additional stackosaurus
- Fixed a bug where Taric Q would be set to a higher cooldown when hitting plants