A simple spell that shoots either a large blast of concentrated mana. When you cast this spell, Creatures at the line take force damage:

Focused. A beam of energy forming a line 150 feet long and 5 feet wide blasts out from you in a direction you choose. Each creature in the line must make a Dexterity saving throw. A creature takes 5d10 damage on a failed save, or half as much damage on a successful one.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, on the focused style the damage increases by 1d10 for each slot level above 3rd.