This tome has 4 charges, and regains 1d4 charges each dusk. You may expend 1 or more charges to do one of the following:

Enflame (1 charge) you may change the damage type of any spell to fire. If you do so, increase the damage by 1d8. If the damage type was already fire, instead increase the damage by 1d10. If a spell deals damage afterwards (example: cloud of daggers), the extra fire damage applies for the first hit

Boil (3 charges) as an action, you may magically make a 10ft by 10ft cube of water to instantly boil. Each creature in the area may make a dex save with a DC of 15, with a success allowing creatures to move the shortest distance away from target area. All creatures are dealt 3d10 fire damage and then 1d10 damage every round afterwards in the area for the next minute.