Consume Flame

you touch an open flame and extinguish it, absorbing it's power. you gain temporary hit points based on the size and power of the fire. Touching a source of fire as part of this spell does not harm you. If the consumed fire is a non-magical flame the size of a medium creature or smaller, you gain 5 hit points. The number of temporary hit points increases by 5 for each size category above medium. If the consumed fire is an ongoing spell effect, then the spell ends and you gain a number of hit points equal to 10 plus 5 per spell level of the spell consumed.