You inflict poisonous energy onto a creature.

The creature must make a Constitution saving throw, potentially becoming

Poisoned

Exhausted

Critical Success (+10). The target is unaffected.
Success. The target becomes Poisoned until the end of your next turn.
Failure. The target becomes Poisoned for the duration of this spell. A creature affected by this makes a Constitution saving throw at the end of each of their turns. If it succeeds twice, this effect ends. If it fails twice, it stops making these saving throws and this spell ends for them, becoming Poisoned for 1 hour.
Critical Failure (–10). As failure, but the creature also receives 1 Level of Exhaustion while it is Poisoned.

At Higher Levels: Target an additional creature within 6m of the original target for each spell level increase.