Leonardo

Leonardo is a member of the Chaos Brigade's Hero Faction. He is the wielder of one of the top four strongest Longinus, Annihilation Maker.

Plot
The youngest member of the Hero Faction. He appears in volume 9 along with the other Hero Faction members. In Volume 11, he gets kidnapped by Shalba under Hades' command and is now under Hades' control.

Powers & Abilities
Leonardo possesses the Longinus, "Annihilation Maker" (魔獣創造（アナイアレイション・メーカー） Anaiareishon Mēkā), which is listed among the top four strongest Longinus and it has the ability to create countless monster its wielder can imagine, but he still hasn't mastered at yet.

Trivia

 * Leonardo is the only major Hero Faction member to not originate from a hero.