Bloodstained Sword
血塗られた剣技 [chinurareta kengi] or 'blood-smeared swordskill' in Japanese.
Record Keeper

Bloodstained Sword I
Type: Record Materia, Record Materia Level: 1, Rarity: -
Obtain: Limit Break Cecil (Dark Knight)
Effect: Raises damage dealt by Attack but has it drain the user's HP

Bloodstained Sword II
Type: Record Materia, Record Materia Level: 2, Rarity: -
Obtain: drops with a set chance from FF4 dungeons while a Limit Broken Cecil (DRK) is in your party
Effect: Raises damage dealt by Attack but has it drain the user's HP
Category: Ability