Electrifying Orb

Celestial (runomancy) 4th level

Casting Time: 1 bonus action
Range: Self
Components: V, S
Duration: Instantaneous

An orb of pure magic shoots out from you in a line 30 feet long and 5 feet wide in a direction of your choice, stopping at the first creature it hits. The creature must make a Dexterity saving throw. On a failed save, the creature takes 4d10 energy damage and is Stunned for 1 minute. On a success, it takes half damage.

A creature stunned by this spell must make a Constitution saving throw at the start of each of its turns. On a success, the Stun effect ends.

At Higher Levels. When you cast this spell by spending mana points equal to a spell of 5th level or higher, the damage increases by 1d10 for each spell level above 4th. When cast as a spell of 5th level or higher, this spell's damage becomes runic.