Golden Rule (Body) (黄金律(体), Ōgon-Ritsu (Karada)?) is a Skill that denotes the possession of a natural and perfect goddess-like body. No matter how many calories one absorbs, their figure will not change. Unlike the Natural Body Skill there is no effect on the Skill owner's Strength parameter.[1] In the end, it is said that it is no more than one’s beauty being preserved.

Rank User(s)
EX Leonardo da Vinci (Child)
The range of her abilities grew smaller with her smaller body, but her Golden Rule rank increased in return.

Although asking Da Vinci about her gender wouldn't usually yield any answers, this may have been due to her taking on the body of a young girl, bringing her closer to the religious definition of an "angel".

A Medb
B Leonardo da Vinci
Leonardo intentionally acquired this Skill when he "redesigned" his body to be a female's (Mona LisaWP).[1]
  1. 1.0 1.1 Fate/Grand Order material IV — Profile of Leonardo da Vinci (Caster), translated by Clyton at Beast's Lair.
Servant Skills
ABCDEFGHIJKLMNOPQRSTUVW • X • YZ#