Dark Ascension

Starting at 18th level, You can spend 6 sorcery points to fully unleash you power dealing 4d8 force damage around you in a 20-foot-radius when you do. You can remain in this state up to one hour or until cancelled, you gain 30 flight speed and 10 walking speed, your AC increases by 3 and you are able to cast spells without needing your hands or mouth and you can use your reaction to cast a Dark Element Spell.

During this state your spells deal 1d10 psychic damage to enemies hit as dark whispers invade their mind and your spell DC gains a +2 bonus.

When this form ends you take 4d10 psychic damage, if this damage drops you to 0 or lower you also deal the 4d10 in a 10-feet-radius around you.