As other said , bronze weapons
Troll gear full upgrade for good movility that youll need in the swamp ( bronze helmet can give you some extra defense ) , next and risky biome
You most craft a bronze axe for tool and bronze swordor mace for fight in the swamp
Remember eat you best foods : deer stew , meanced boar souce or cooked fish and carrot soup
When you get into the swamp use anti poison me/ad