Emit Force [RS]

Make a melee spell attack. On a hit, the target takes 3d6 force damage. Hit or miss, the target and each creature within 5 feet of it (excluding yourself) Must make a Strength saving throw or be knocked prone. The initial creature automatically fails if hit.

At Higher Levels. When casting this spell using a spell slot of 2nd level or higher, the area of effect increases by 5 feet and the damage increases by 1d8 for each slot level above 1st.