Blindness and Deafness

Blindness and Deafness
Magic Resistance: Yes
Advanced Eldritch Spell [Magical, Perceptive]
Prerequisites: Eldritch Rank 4
Disciplines: Necromancy
Potency: [1d8 + Eldritch Rank]
Cast Action [CT 2, REC 3]
Components: V
Cost: 1 Resolve
Effect: You invoke the powers of shadow to blind or deafen your enemy. Make an attack:
Range: 100 ft
Target: One living creature within range.
Attack: Arcana P vs. Fortitude
Hit: The target is Blinded or Deafened (your choice) [SE, ST 4d10 vs CON].
Master Augment, Permanent Blindness/Deafness
[Eldritch Rank 6]
Cost: Change the cost to 2 Resolve Burn
Effect: If the target does not save within 20 segments, the effect of this spell becomes permanent.
Augment, Stronger Blindness/Deafness
[Eldritch Rank 7]
Effect: Increase the saving throw for this power by one die [STP 1d10].