Cid, the Murderer
Cid, the Murderer is a hostile humanoid mage that has a chance to spawn when using a Blood Stained Treasure Map to dig up a buried chest in Opalis Ruins, Kas Ruins, or Dysborg Ruins (all of which are PVP zones). Digging up the chest starts a wave battle, and Cid has a chance to spawn in the last wave.
Cid has 1109 health, and gives 16,200 experience points when killed.
Cid has a chance to drop a unique Ephemeral Relic called the Ephemeral Amulet of Free Will.