More Darksiders Genesis Guides:
- 100% Achievement / Trophy Guide.
- Strife Creature Core Setup (for Story and Arena).
- Boatman's Labyrinth Guide (Map).
- Snake Locations (Chapter 7).
In this guide you can find Engines of Destruction & Back to Work side quest locations.
Back to Work & Engines of Destruction
The final quest demon is after the boss. You need to have 9/10 before you go through the red and blue door!