Superior Shapeshifter

Prerequisite: Changeling, level 4

You grow more skilled at changing your form, and learn to do so with much more freedom, gaining the following benefits:

• You can cast the Alter Self spell while the spell is currently still affecting you, without losing the effects of the first casting of the spell, so long as you choose a different option than what you currently have active.
• The Alter Self spell duration when cast through your Shapechanger feature is quadrupled, and can be maintained through unconsciousness if you wish. While unconscious, you can still make the choice to expend another use of this feature to seamlessly recast the spell and maintain your disguise.
• The aquatic adaptation gained through the Alter Self spell becomes the amphibious adaptation for you, additionally gaining a climb speed equal to your walking speed.
• Natural weapons gained through the Alter Self spell for you gain the finesse trait.
• When casting Alter Self on yourself, you can choose to cast it as a bonus action.