Thunder Spear V.2

You manifest a spear of lightly glowing, whirling energy and hurl at your foes with destructive results. Make a ranged spell attack against a target within range. On a hit the target takes 1d12 piercing damage and 6d8 thunder damage. On a critical hit the target is Deafened for 1 hour. 

This spell deals double damage to objects, structures, and constructs on a hit.

At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the thunder damage increases by 1d8 for each slot level above 4th.