Tentacled Hate

1000s of Tentacle forms extend in a line 100 feet long and 5 feet wide from the caster in a direction they choose. Each creature in the area of effect must make a Dexterity saving throw. A creature takes 8d6 Piercing damage on a failed save, or half as much damage on a successful one.

 Targets that fail dex save we be knocked down

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