Bolt of Keranos

You hurl a bolt of lightning at a creature in range, causing the burning smell of ozone to permeate the surrounding air. Make a ranged spell attack on a creature within range, using your relevant spellcasting modifier. On a hit, deal 1d10 Lightning damage to the target.

All creatures within the spell's range, excluding you (the caster), make Constitution saving throws against your Spell Save DC. On a failed save, creatures take 1d4 thunder damage as the sound of the spell bursts from your hand.

This spell's Lightning damage increases by 1d10 when you reach 5th level (2d10), 11th level (3d10) , and 17th level (4d10).

This spell's Thunder damage increases by 1d4 when you reach 5th level (2d4), 11th Level (3d4), and 17th level (4d4).