You have a -1 to your charisma score and a +2 to your intelligence score.

You're movement speed is doubled while you are in darkness. You may use this feature even if you pass through light as long as you do not end your movement in light.

You may also bring another character with you if they are the same size as you or smaller.

As an action, you may choose a creature you can see within 25 ft of you and send them to the Shadowfell temporarily, leaving to behold its many horrors. On a failed wisdom saving throw, they take 6d8 psychic damage and when they return, they have the frightened condition until the end of their turn. On a successful save, they only take 3d4 psychic damage and do not have the frightened condition.