Destructive Wrath

You channel the destructive power of a god, unleashing a devastating blast of energy. Choose a point within range; a sphere of destructive energy with a 30-foot radius erupts from that point. Each creature in the area must make a Dexterity saving throw. A creature takes 20d6 force damage on a failed save, or half as much damage on a successful one. This spell ignores resistance to force damage.

Additional Effects:

• Overwhelming Power: If a creature is reduced to 0 hit points by this spell, it is disintegrated, leaving behind only a pile of fine gray dust.
• Legendary Resistance: If you fail a saving throw while casting this spell, you can choose to succeed instead.

At Higher Levels: When you cast this spell using a spell slot of 10th level or higher, the damage increases by 2d6 for each slot level above 9th.

Note: Warlocks can only use this spell via Mystic Arcanum at 17th level

(Second spell I hope y'all like it :) )