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This rare red gem is both beautiful and priceless. When held tightly, the stone's properties enhance the user's ability to avoid critical hits.

Required level to equip: CL 80
Biolink required
Duration: 2min (unconfirmed)
Reuse time: 60min
Effect Name: Corusca Gem Critical Hit Reduction
Effect: +3%(unconfirmed) Critical Hit Defense
Buff Group: D (same as Shard of Retalliation)


  • extremely rare loot from a Buried Treasure
  • can be dropped in a house to create a powerful source of red light