Employ the power of darkness to absorb the target's HP.
Shadowblade (闇の剣, Yami no Ken?, lit. Dark Sword), also known as Night Sword and Sword of Darkness (やみのつるぎ, Yami no Tsurugi?, lit. Dark Sword), is a recurring ability in the series. It is primarily associated with Goffard Gaffgarion.
Master of all swords, cut energy! Night Sword!
Shadowblade is an ability of the Fell Knight and Deathknight, learned for 100 JP. It has a range of 3, an effect of 1, and activates immediately upon being used. It deals Dark-elemental damage to one target while healing the user for the same amount of damage dealt.
Sword of Darkness is an ability of the Lanista, learned for 350 JP from the Ancient Sword. It costs 12 MP to use, has a range equal to the user's weapon, and deals Dark-elemental damage to one target while healing the user equal to the damage dealt.