For the duration, you understand the literal meaning of any spoken language that you hear. You also understand any written language that you see, but you must be touching the surface on which the words are written. It takes about 1 minute to read one page of text. This spell doesnt decode secret messages in a text or a glyph, such as an arcane sigil, that isnt part of a written language.
A wave of thunderous force sweeps out from you. 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 isnt pushed. In addition, unsecured objects that are completely within the area of efect are automatically pushed 10 feet away from you by the spells efect, and the spell emits a thunderous boom audible out to 300 feet. 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.