Venomous Plague (Augmancy: Infestation)

Augmancy. To cast this spell, you must know how to cast infestation. You do not need to learn or prepare this spells to cast it if you know infestation and have an appropriate spell slot available.

Until this spell ends, casting infestation will create an insidious cloud of parasites. When a target fails their saving throw, it is poisoned until the end of their next turn. The target must succeed on a Constitution saving throw at the start of their turn while poisoned or spend their action vomiting.

At Higher Levels. When you cast this spell with a slot level of 7th level or higher, the duration of the spell becomes 1 minute with no concentration required.