Assisted Breathing (Roost)

The user assists an ally in breathing causing them to heal 1d8 + the ally's constitution modifier. as well as gain the ability to hold their breath for 5 minutes (Cannot be used if either are already submerged)

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the healing increases by 1d8 for each slot level above 1st