Thunderwave

A wave of thunderous force sweeps out from you.
Each creature in a 15-ft cube originating from
you must make a CON saving throw. On a fail,
creatures takes 2d8 thunder damage and are
pushed 10 ft away. On a success they takes half
as much damage and arent pushed. Additionally,
unsecured Objects that are within the AoE are
pushed 10 ft away from you, and the spell emits
a thunderous boom audible for 300 ft.
Casting Time: 1 action Range: Self (15-ft cube)
Components: V S Duration: Ins