Thunderwave

Components: Verbal, Somatic
Range: Self (15ft cube)
Each creature within a 15ft cube in front of
you must make a Constitution saving throw.
A creature takes 2d8 thunder damage and is pushed 10ft away on a fail, and half damage without being pushed on a success.
Unsecured objects are also flung 10ft and a thunderous boom is audible out to 300ft.