Empire of Ember achievements

Use the raise dead spell to affect 5 or more units at once

Win the game, making only negative karma decisions

Beat one of the suicide missions, electing to not take any units with you.

Beat the entire game solo, never purchasing units. If the game give you units through quests that is OK

Get any pair of matched rings, and equip them at the same time

Kill 5 enemies or more under one cast of Berzerk