Timber Slam

3-level Conjuration

Casting Time: 1 bonus action

Range/Area: Self (A 5-foot wide, 20-foot long line)

Components: V, S

Duration: Instantaneous

An ancient tree appears above your head before slamming down onto a 5-foot wide, 15-foot long line in a direction of your choice. Each creature in the area must make a Dexterity saving throw or take 5d6 bludgeoning damage and be knocked prone. On a successful save, the creature takes half as much damage and is not knocked prone.

At higher levels: When you cast this spell using a spell slot of 4th or higher, the damage increases by 1d6 for every slot level above 3rd.