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- For the
Legends of Runeterra card, see 5Catalyst of Aeons (Legends of Runeterra). - For its successor, see Leeching Leer.
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"You belong in a museum!"
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Catalyst of Aeons was an advanced item in 
League of Legends.
Recipe
 1100 ( 350) | ||
| 400 |
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| 350 |
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Cost Analysis
Built Into
Strategy
- With the increased durability and sustainability it provides, Catalyst of Aeons allows champions to remain in their lanes longer without needing to recall.
Old Icon
Trivia
- The word Catalyst means something or someone that precipitates or causes an event to happen without being used up itself, referring to the item's passive effect.
- Catalyst mana restore is applied after resistances. The higher your resistances the less mana you will regain from damage.
- Shields are treated the same as normal health for the damage to mana calculations.
- The name "Aeons" may be a reference to the Star Craft map Aeon of Strife, by Aeon64, which was the spark that began the MOBA genre.
Patch History
- V10.23 - Removed
- Removed from the game.
- Replaced by Leeching Leer.
- V9.1 - January 21, 2019
- No longer builds into Innervating Locket, due to the Nexus Blitz being no longer available for play-testing.
- Added to recipe for Innervating Locket.
- Removed from recipe for Hextech GLP-800.
- Added to recipe for Abyssal Mask.
- Removed from recipe for Righteous Glory.
- Renamed to Catalyst of Aeons from Catalyst the Protector.
- Total cost reduced to 1100 from 1200.
- Combine cost reduced to 350 from 450.
- Combine cost reduced to
- 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.
References
List of Items
- Starter items
- Potions and Consumables
- Trinkets
- Distributed
- Boots items
- Basic items
- Epic items
- Legendary items
- Mythic items
- Minion and Turret items
- Special Game Mode Exclusive items
- Removed items
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