Crystal Soul Spear

This spell is from the Dark Souls spell collection.

You create a massive pale spear with razor-sharp crystals protruding from it above you and magically propel it at a target that you can see within range. All targets in an 80-foot line must make a Dexterity saving throw. On a failed save, a target takes 10d10 force damage and 10d10 piercing damage on a failed save, or half as much damage on a successful one.