Necromancer Spell - Arms of Flailing Night

Arms of Flailing Night (5th level)

"Wisps of negative energy flail around the caster like black tentacular arms - striking out at any who dare to threaten the caster."

Close-Quarters Spell
Standard Action to Cast
Daily

Target: Self
Special: Make the following attack on your turn against all engaged enemies.
Attack: INT + Level vs PD
Hit: 5d12 + INT negative energy damage.
   Critical Hit: Recover half of the damage dealt in HP - any excess of your maximum health can be used as temporary HP until the end of your next turn. The spell is then disrupted.

7th Level: 2d8x10 damage.
9th Level: 4d6x10 damage.