Sigil of Timeless Form is a Accent Sigil in Tyranny.
Accent that increases the duration of spell's effects.
- Level I - Edgering ruins: Sold by Kosma.
- Level II - Burning Library – Lower Ruins, shelf next to the stairs down to the Silent Archive.
- Burning Library, merchant Myrum (Rebel path)
- Level III - Blade Grave Oldwalls - West, on a wall near a cabinet in a southern part of the area (requires Lantry's Voice of Ages talent).