Anatomy Expert (Celestials and Fiends)

When you take this feat, you choose two types of creatures. You gain advantages when fighting these types of creatures:

• Attacks against creatures of the chosen types are considered critical hits a roll of either a 19 or a 20.
•  When you score a critical hit against a creature of the chosen types, you add your wisdom modifier to the damage roll.
• You have advantage on Intelligence checks to recall information on creatures of the chosen types.