Ulfgar's Death Blast

 is a unique Destruction spell which is cast only once, during Betrayal at Brodir Grove when Ulfgar the Unending is killed and his ghost speaks with the Nerevarine at Brodir Grove.

Effects

 * Frost Damage – 1 point in a 30 foot radius on touch

Acquisition
Although not intended for use by the Nerevarine, can be acquired on the PC by using the console: Player -> AddSpell "ulfgar_ghost_ring"