Psyblast (5e Spell)
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You cause a blast of psionic energy at a point you choose within 150 feet of you. A wave of psionic energy then emanates out from that point in a 20 foot radius sphere that goes around corners. Hostile creatures within that area must make an Intelligence saving throw. On a failure, they take 6d6 psychic damage and are knocked prone. On a successful save, they take half as much damage and are not knocked prone.
At Higher Levels. When you cast this spell using a spell slot of 4th or higher, it deals an additional 1d6 psychic damage for every level above 3rd.