One Piece Odyssee

The Hydra SMILE grants the user the traits of a hydra, a multi-headed serpent. Upon consumption, the user grows three additional serpent heads from their back, each semi-autonomous but controlled by the user. If severed, they regrow within minutes. Each head can spit venom, constrict foes, or extend to attack. The user’s durability increases, and they gain a regenerative factor, though severed limbs (besides heads) do not grow back. The downside: the extra heads have their own mischievous person