“Look out, everybody, things are about to get awesome!”
The Ruiner, aka Interitus Regina, was designed as the apex of bio-engineered weapons. Company scrapped the project when they realized it coudn't be controlled. In her attempt to seize full control of Gehenna, Rose had it hatched out from the blackstone stolen from Vestige. It serves as the final boss of the DLC and can be found in the Crater's Edge.
- Main article: Riding to Ruin
- Ruiner has an increased chance to drop the legendary pistol Bloom.
- Interitus Regina (Lat) Queen of Ruin or Queen of Destruction.