Control Undead

You attempt to control a number of undead creatures up to your proficiency bonus you can see within range. The creatures total CR (Challenge Rating) must be equal to or less than your spellcasting ability modifier. Each undead creature must make a Wisdom saving throw, and it 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 undead creature is friendly to you. When the spell ends, the creature knows it was charmed by you.