[RPG] How to make a creature pretty

dnd-5e

I am well aware that the beauty is in the eye of the beholder, but listen to me if you will. We are currently playing D&D 5e, a nautical adventure. I asked the DM if I could have a mermaid fall in love with my character and have her as a wife later, except what fell in love with my character was not a mermaid but rather a Kuo-toa. Now we are stuck with this walking smelly fish and, as a roleplayer, I really wanted her to be more human.

Is there any way to turn a creature into a beautiful human, permanently? Or at least some sort of humanoid(that does not have a fish head).

Best Answer

Circlet of human perfection

It's an uncommon magic item, described in the Waterdeep: Dungeon of the Mad Mage (p. 30).

The description of the circlet of human perfection says:

This circlet is an uncommon magic item called a circlet of human perfection. Only humanoids can attune to it. The circlet transforms its attuned wearer into an attractive human of average height

Another way is high-level magic like Wish or True Polymorph.