How To Initiate PVP Duels
In Borderlands 3, if a player wants to fight against another non-NPC character, they must melee attack them to initiate a “Duel”. The other player must accept the prompt that appears to initiate the PVP duel.
A PVP Duel does not provide any in-game rewards and will leave the loser of the fight with minimal health after the match. It’s not a recommended feature to activate right before a big fight or story quest.