Blizzard's recent Developer Update Livestream filled players in on some of the changes that have been implemented as a result of player feedback following the PTR.
Included in these adjustments are changes coming to the Endgame Ladder Bosses! Diablo 4 Season 4 Patch 1.4.0 Patch Notes Now Available Season 4 Developer Update Liveblog Blizzard has taken note of various pain points such as Summoning Material acquisition and requirements as well as the rewards for both the Tormented versions of all the bosses and the non-Uber bosses such as Beast in the Ice or Lord Zir.
Tormented Bosses have had their Summoning Material cost reduced from five times to three times the normal amount required.
In addition, the rewards for slaying a Tormented Boss are now five times the normal amount. Boss Summoning Materials will drop from numerous activities and enemies in the game such as Elite Monsters, Whisper Caches, Treasure Goblins, and the new Hellborne enemy during Helltides.
All non-Uber Bosses such as Grigoire, Varshan, or Beast in the Ice will now have an added chance to drop an Uber Unique item such as The Grandfather.