Catalyst of Aeons

Epic

1,300 g

Patch

Summoner's Rift ARAMArenaNexus Blitz URF One for All Swiftplay Ultimate Spellbook

Effects

Unique Passive · Eternity

Restore mana equal to 10% of pre-mitigation damage taken from champions, and heal for 0 to 20 per cast. Toggled abilities can only heal for up to 20 per second.

Stats

+300Health
+375Mana

Available in

Summoner's Rift · URF · One for All · Swiftplay · Ultimate Spellbook · ARAM · Nexus Blitz

Patch history

25.21· Oct 22, 2025Nerfed

Health reduced to 300 from 350.Nerf

25.7

New Recipe: Ruby Crystal + Ruby Crystal + Sapphire Crystal + 200 = 1300.
Old Recipe: Ruby Crystal + Sapphire Crystal + 600 = 1300.
Mana increased to 375 from 300.
Eternity mana restoration increased to 10% from 7%.

14.19

Combine cost increased to 600 from 550.
Total cost unchanged.

14.1

Health increased to 350 from 300.
No longer limits the user to 1 Mythic Component item.

13.18

Bug Fix: Now is properly counted as a Mythic component in the shop.

12 older patches

13.10

Is now a Mythic Component.
No longer builds into Abyssal Mask.

13.7

Total cost increased to 1300 from 1100.
Combine cost increased 550 from 350.
Health increased to 300 from 225.

13.1

Mana restored reduced to 7% pre-mitigation damage taken from 8%.

Recipe

+

+200 g = 1,300 g

Builds into

Heal increased to 25% of mana spent from 20%.

Heal cap increased to 20 from 15.

12.22

Updated icon.
Recipe: Ruby Crystal + Sapphire Crystal + 350 = 1100.
Stats: 225 health, 300 mana.
Unique Passive - Eternity: Restore mana equal to 8% of pre-mitigation damage taken from champions, and health equal to 20% of mana spent, up to 15 health per cast. Toggled abilities can only heal for up to 15 per second.
Builds Into: Abyssal Mask and Rod of Ages.
Limited to 1 Eternity item.

10.23

Removed from the game.
Replaced by Leeching Leer.

9.1

No longer builds into Innervating Locket, due to the Nexus Blitz being no longer available for play-testing.

8.24

Added to recipe for Innervating Locket.

8.4

Removed from recipe for Hextech GLP-800.

7.13

Added to recipe for Abyssal Mask.

7.12

Removed from recipe for Righteous Glory.

6.9

Renamed to Catalyst of Aeons from Catalyst the Protector.
Total cost reduced to 1100 from 1200.
Combine cost reduced to 350 from 450.
Removed Unique Passive - Valor's Reward: On leveling up, restores 150 health and 200 mana over 8 seconds.
New Unique Passive - Eternity: 15% of damage taken from enemy champions is gained as mana. 20% of Mana spent is gained as health, up to 15 health per spell cast or 15 health per second for toggled spells.

V25.S1.3

Bug Fix: No longer displays higher values for Eternity's healing in the floating text display as if the user could heal for higher than the maximum allowed of 20.