The Royal Rat Vanguard Soul is a boss soul in Dark Souls II.
- Soul of the Rat King's Vanguard, of the underground realm.
- The Rat King's loyal servant judges the worthiness of those who seek royal audience.
- Use the special soul of this living soldier to acquire numerous souls, or to create something of great worth.
Obtained after defeating the Royal Rat Vanguard in the Grave of Saints.
Consume for 6,000 souls or trade with Straid of Olaphis along with 1,500 souls to acquire the Toxic Mist pyromancy.