Leviathan Catalyst

Acquisition
At the Item Exchange for:
 * 3 x Gold Leviathan Shard
 * 6 x Silver Leviathan Shard
 * 18 x Bronze Leviathan Shard

Additional Info
Evolves (Chaos I) Ultrastorm Leviathan and its stages up to (Chaos X) Ultrastorm Leviathan.