Dark Souls

You suck the life out of all hostie creatures with 60ft of you. They must make a Wisdom save or take 4d10 damage and cannot heal for their next 3 turns. You gain 1/4 of the damage you deal with this spell into temporary health. No madder if they succeed or fail the save the affected target loses their darksivion for 1 minute. (Casting this spell as higher than lvl 4 it deals 1d10 more damage, increases their no healing time by 1 turn, and increases their no darkvision time by 30seonds.