The Target must succeed on a constitution saving throw., then the caster rolls a D100 to determine the effect of the spell on the target.
On a saving throw, all damage is reduced by half and any roll below 25 has no effect.
1: Critical Failure: The effect is directed back on the caster dealing 2d12 of damage.
2--30: The target takes 2d12 of damage
31--50: The target takes 3d12+4 of damage.
61--80: The target is pushed back 5 feet and takes 4d12 of damage.
81-99: The target is pushed back 10 feet and takes 4d12+4 of damage.
100: A magical force lifts the target into the air and throwing them back 10 feet and landing them prone dealing 5d12 of damage.
At Higher Levels. When you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d12 for each slot level above 4th.