You speak at a creature in a prolonged fashion, delaying their decision making. One creature within range that understands a language you can speak must make an Intelligence saving throw. On a failure, during their turn they may take either an action or a bonus action, but not both.

At Higher Levels. When you cast this spell using a spell slot of 3rd level or higher, the duration increases by 1 round for every two slot levels above 1st.