Thunderwave

A wave of thunderous force sweeps out from you.
Each creature in a 15 ft cube originating from
you makes a Con save. On a failure, they take 2d8
thunder damage and are pushed 10 ft away. On a
success, they take half damage but aren't pushed.
Objects are pushed 10 ft away from you, and the
spell emits a thunderous boom audible out to
300 ft.
At Higher Levels. When you cast this spell using
a spell slot of 2nd level or higher, the damage
increases by 1d8 for each slot level above 1st.