|Energy Crystal of Mnemosyne|
|Rank: ✮✮ Type: Energy Crystal|
|This rough looking crystal nucleus is a product of the ancient War of Creation. Crystal nucleus contains energy beyond imagination. Just one nucleus alone can power up war colossus that stands several kilometers tall; lasting thousands of years.|
|Use to upgrade celestial medals|
|Source(s):|| Defeat sky bosses at exploration level 300
Purchase at Alliance Shop for 900 Alliance Coins
Reward for beating the Alchemist Trial
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