Right on schedule, Diablo 4’s first-ever cross-over event has officially kicked off in-game, just a few days after it arrived in Diablo Immortal. This is the first collaboration with a non-Blizzard brand, and it brings the world of Berserk to Diablo.
They can't keep getting away with this - getting all Berserk event cosmetics in Diablo 4 will cost you a cool $150
Source: VG247 (opens in a new tab)