You put your hands together and starts casting the 3 calling words. Each word will take one round to be chanted and than a last round to fire. When done charging, you create a slash that cuts though both space and magic, bypassing AC and spells made to shield the enemies.
Creatures hit by this spell takes 10d20 dmg, Creatures  get to take dexterity saving throw and got to hit above 20 to take half damage.
If you get critted while chanting up the spell until the 4th round, it gets interrupted and reset

The 3 calling words:
1-Scale of the Dragon
2-Recoil
3-Twin Meteors
World/Cutting/Slash