Wave of Charming

You create a wave that charms all humanoids within 50 ft, they must make Wisdom saving throws, and does so with advantage if you or your companions are fighting it. If it fails the saving throw, it is charmed by you until the spell ends or until you or your companions do anything harmful to it. The charmed creature regards you as a friendly acquaintance. When the spell ends, the creature knows it was charmed by you.

At Higher Levels. When you cast this spell using a spell slot of 8nd level or higher, all creatures get disadvantage on there wisdom save