Fennec Shand was an elite mercenary and assassin who was introduced as a target of Din Djarin in the Mandalorian before becoming his ally and later the deuteragonist of The Book of Boba Fett and the titular character's second-in-command.
Having successfully stopped Mickey the warriors, protectors, defenders, rangers, and ravagers gather together to finally save Peter 4 and destroy the symbiotes once and for all.