Here is the full list of all 10 Empire of the Dead Souls achievements.
Boss Dead Is real
GooD LVL 9
GooD LVL 8
GooD LVL 7
GooD LVL 6
GooD LVL 5
GooD LVL 4
GooD LVL 3
GooD LVL 2
GooD LVL 1