The light of god!

Psychic Cracks one-action Spell 7

Manipulate 
Traditions Occult
Range 100 feet; Area 30-foot burst
Defense Will; Duration up to 1 minute

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You press HARD on the minds of all targets in an area potentially laying the ground work for their mind to shatter. All targets in the area take 4d6 mental damage and must attempt a Will save.
Critical Success The creature is unaffected.
Success The target takes half damage.
Failure The target takes full damage and gains weakness 5 to mental damage for 1 minute.
Critical Failure  The target takes double damage and gains weakness 10 to mental damage for 1 minute.

Thoughts?