The Royal Rat Authority Soul is a boss soul in Dark Souls II.
- Soul of the Royal Rat Authority, of the underground realm.
- Those who choose to serve the Rat King must have the courage to face his challenges.
- Use the special soul of this rat to acquire numerous souls. or to create something of great worth.
Obtained after defeating the Royal Rat Authority in the Doors of Pharros.
Consume for 6,000 souls or trade with Straid of Olaphis along with 1,500 souls to acquire the Acid Surge pyromancy.