Diablo 4 is an open-world game, in which you can regularly see other players actively wandering around and slaying demons. As such, players are able to group up and gain additional experience bonuses while playing together in groups of up to four players.
Multiplayer and Crossplay in Diablo 4
Luckily, while in a group loot is personal, so you won’t have to fight over who gets to keep that new Legendary item that just dropped.