The first hotfix of Diablo 4 Patch 1.0.3 has arrived, and it focuses on stability fixes. Along with that, the Epic Adventure achievement bug has been fixed – players should see this properly unlock now!
Diablo 4 Achievement Guide
HOTFIX 1 – JUNE 30, 2023 – 1.0.3Bug Fixes
Fixed an issue where the Epic Adventure achievement wouldn’t properly unlock.
Various stability improvements.