As a part of today’s patch, Blizzard has increased the experience gained by opening Chests during Helltide events. Additionally, Helltide bosses will now drop higher-quality loot on average.
Diablo 4 Patch 1.0.3 Notes Diablo 4 Community Helltide Tool
Helltide chests now provide substantially more bonus experience when opened.
The Helltide Roaming bosses will now more consistently drop higher quality loot.