Sigil of Staggering Force is a Accent Sigil in Tyranny.
Accent that allows spells to interrupt.
- (Level I) Reward in Missive to Fatebinder Myothis, Introduction with Payment of 500 rings included
- (Level II) Sentinel Stand, Hall of Regents: Hidden brick on the northern wall.
- (Level III) Library: Sold by Eirena.