Cato's Encyclopedia

You cast the spell at a single target you can see within range. They must make a Charisma Saving throw. On a successful save, the spell fails and you discern that it did.

On a failed save, you learn three things about the creature. These tidbits of info can be the following:

• Maximum Hit Points or current Hit Points.
• The creature's Armor Class.
• One Ability Score.
• All of the creature's movement speeds.
• Any Damage Resistances, Immunities, or Vulnerabilities.
• The creature's name.
• Alignment.
• Creature Type and Subtype.