Psychologist (5e Feat)
From D&D Wiki
This features helps you tear people apart from inside the mind or help heal any trauma they may have. You gain the following benefits:
- Whenever you make a Wisdom (Medicine) check to diagnose a mental illness or madness, you are considered proficient in the Medicine skill and add double your proficiency bonus to the check, instead of your normal proficiency bonus.
- You have advantage on Intelligence (Investigation) or Wisdom (Perception) checks to discern illusions.
- If you spend at least 10 minutes observing or interacting with a creature with which you share a language, you have advantage on Wisdom (Insight) and Charisma (Persuasion) checks made towards them.