Eldritch Mortar

you send a ball of eldritch power at a creature you can see within range dealing 4d8 force damage pushing the target back 15 feet any eldritch evocation that affects the cantrip eldritch blast applies to this spell.

At higher levels. When you cast this spell using a spell slot of 4th or higher, the damage increases by 1d8 and the creature is pushed an additional 5ft for each spell slot above 3rd,