Blizzard Entertainment has shared more about skill trees in the Diablo 4 September quarterly update. The team is looking at the balance of skills players will unlock by the endgame, as well as class-specific enhancements.
Blizzard Entertainment is continuing to provide quarterly updates on how Diablo 4's development is coming along. This quarterly update is focused on the storytelling and open world aspects of the game.
While Diablo IV is deep in development, Blizzard is looking for feedback on just what different kinds of players would like to get from the endgame experience, including the use of infinite or finite progression systems.