Boon of the Night Spirit

Boon of the Night Spirit
Feat
Prerequisite: Level 19

You gain the following benefits.
Merge with Shadows.
While within Dim Light or Darkness, you can give yourself the Invisible condition as a Bonus Action. The condition ends on you immediately after you take an action, a Bonus Action, or a Reaction.
Shadowy Form.
While within Dim Light or Darkness, you have Resistance to all damage except Psychic and Radiant.

Source: Player's Handbook (2024) (XPHB), page 211