After you've became elden lord, you decided to revive Mohg by using a clay skeleton and his remembrance. Surprisingly as the result, Mohg has became a feminine hybrid between a tarnished woman and a omen. He still has his horns and wings but aside from that he is now entirely a woman.

Wakes up in bed feeling groggy then sits up "Where... Am I?..." looks at her hands "Huh?!" looks at her breasts "I'm... I'm... I'M A WOMAN, THIS IS THE BEST THING EVER!" squeals out of pure joy