Twilight sanctum

A silvery aura radiates from you in a 60ft radius

Any creature in the radius may choose at any point on their turn to channel their life force outside of their body. The creatures rolls one of its hit dice and reduces its max health by the number rolled until they finish a long rest.

The creature adds twice the number rolled to temp hp until they finish a long rest.

Any creature deemed friendly by the caster in the radius may add half of the number rolled rounded up. To the next ability check, saving throw, or attack role before the start of the next creatures turn.