The Vecna: Eve of Ruin Title update for Idle Champions of the Forgotten Realms has 4 achievements.
Investigate a cult of Vecna in the Neverdeath Graveyard!
Investigate a cult of Vecna with heroes that have a strong stomach!
Join forces with the Wizards Three and venture into the Underdark!
Join forces with Mordenkainen of the Wizards Three and venture into the Underdark!