Patch 25.24 - ARAM Mayhem - Arena Prismatic Augments & New Items

Stay up to date with the latest League of Legends ARAM: Mayhem changes, including champion balance updates, augment modifications, and gameplay adjustments for each patch.

Patch 25.24 - ARAM Mayhem - Arena Prismatic Augments & New Items
Released: December 3, 2025
Latest

Highlights

  • New Prismatic Augments from Arena: Earthwake, Orbital Laser, Trueshot Prodigy, Cerberus, Pandora's Box, and Stackosaurus Rex
  • Ultimate Awakening reworked with 30 AH on ult and basic ability reset after casting
  • Two new items: Hextech Gunblade and Sword of Blossoming Dawn
  • Bonus crit chance above 100% now grants Adaptive force
  • Multiple augment buffs and bug fixes

General Changes

New Feature

Some new Prismatic Augments are limited to 1-2 players per game to prevent stacking visual chaos

Critical Strike

Bonus crit chance above 100% now grants 75% of that crit chance as Adaptive force if you don't already have a crit conversion

Portals

Bloom hexgate selection radius reduced to match size of object to reduce accidental clicks

New Items

Hextech Gunblade

80 AP, 40 AD, 10% Life Steal, 10% Spell Vamp. Active: Shock an enemy champion for 175-253 (+30% AP) magic damage and 25% slow for 1.5 seconds (60s cooldown)

3000 gold A classic item returns to ARAM Mayhem!

Sword of Blossoming Dawn

45 AP, 200 Health, 12% Heal & Shield Power, 15 Ability Haste. Passives: Gain 1.2% Attack Speed per 1% Heal & Shield Power. On-hit: Heal the lowest-health nearby ally for 15-40 (+10% bAD)(+7% AP)

2350 gold Great for enchanters who want to support their team with on-hit healing

Augment Changes

Earthwake

  • NEW: Dashing or blinking causes you to leave behind a trail that detonates after a short delay, dealing 70-210 (based on level) (+125% bonus AD)(+60% AP) physical damage per explosion
  • Enemies can only be affected once every 0.5 seconds from all cast instances
  • Deals 70% damage to minions
  • Limited to 2 players per game

Orbital Laser

  • NEW: Replace your non-flash summoner with Orbital Laser
  • On Active: Call upon an orbital laser to fire down on target location after 2.5 seconds, immediately dealing true damage equal to 25% of target's maximum health then up to 360-600 (based on level) magic damage over 3 seconds
  • Deals 70% damage to minions
  • Limited to 1 player per game

Trueshot Prodigy

  • NEW: Damaging enemies over 700 units away casts an Ezreal R in their direction
  • Barrage deals 100-350 (+80% bonus AD)(+60% AP) magic damage to enemies it passes through
  • 15 second cooldown (overall, not per target)
  • Limited to 1 player per game

Cerberus

  • NEW: Gain the Hail of Blades and Press the Attack Keystone Runes
  • Hail of Blades: First 3 attacks have massively increased Attack Speed (140% melee, 80% ranged)
  • Press the Attack: Hitting 3 attacks against same enemy deals burst damage (120-360 based on level) and increases your damage by 15% until you leave combat

Pandora's Box

  • NEW: Transmute all of your augments into random Prismatic augments

Stackosaurus Rex

  • NEW: When you gain permanent stacks of an ability, gain 75% more

Ultimate Awakening

  • REWORKED: Gain 30 ability haste on your ultimate
  • After casting your ultimate, reset all your basic ability cooldowns and gain 300 ability haste on basic abilities for 15 seconds
  • 20 second cooldown

Empyrean Promise

  • Cast Range: 1600 → 2000

Feel the Burn

  • Cast Range: 600 → 800
  • Changed from target cast to self cast (no longer need to select a target)

Upgrade Zhonya

  • Zhonya's Cooldown: 90 → 45 seconds

Snowball Upgrade

  • Base Slow Amount: 40% → 50%
  • Base Damage: 100 → 200

Slow and Steady

  • 1% Attack Speed Conversion: 0.75 AD → 1 AD

About ARAM: Mayhem Patch Notes

These patch notes summarize ARAM: Mayhem-related changes. We extract and highlight updates including champion adjustments, augments changes, and gameplay tweaks.

Each patch can shift the meta. Check the latest tier list and builds to stay ahead on the Howling Abyss.

Source: Official League of Legends Patch Notes from leagueoflegends.com