Thunderwave

A wave of thunderous force sweeps out from you. 

Effect

Each creature in a 15-foot cube originating from you must make a Constitution saving throw. On a failed save, a creature takes 2d8 thunder damage and is pushed 10 feet away from you. On a successful save, the creature takes half as much damage and isn't pushed.
In addition, unsecured Objects that are completely within the area of Effect are automatically pushed 10 feet away from you by the spell's Effect.

Side/Secondary Effects

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.

Manifestation

The spell emits a thunderous boom audible out to 300 feet

https://roll20.net/compendium/dnd5e/Thunderwave#content

Material Components

V, S

Related Discipline

Bard, Druid, Sorcerer, Wizard, Tempest domain

Related School

Evocation

Related Element

Thunder

Effect Duration

Instantaneous

Effect Casting Time

1 action

Range

Self or Target, 15 ft. cube

Level

First level