Diablo 4 Season 1 brings a plethora of new challenges to players, such as new Quests, Seasonal Characters, a Battle Pass, and of course, one of the biggest features, the Malignant Heart. There are four colors of Malignant Hearts in the game, corresponding to different types of effects. Socket them into in Malignant Sockets of the same color can offer powerful enhancements to your build. Here's...