Naturally, he has a complete (golden) body as a living being. Grants a plus modifier to his STR. Furthermore, even without training, he's still beyond brawny. No matter how many calories he ingests, his body shape will not change.[1]
He was born with a perfect physical body since birth. Magni was able to easily lift the legs of the giant HrungnirWP at the age of three, which is unquestionably of the highest rank.
Romulus can temporarily rank up his STR. Furthermore, even without training, he's still beyond brawny. No matter how many calories he ingests, his body shape will not change.[2]
A muscular shape even without training, what's more, the body shape won't change no matter how much calorie is ingested... is how it was supposed to be, however, this swordsman has ended up remodelling his body, influenced by his own religious faith. Therefore, the rank is substantially lowered. It was originally Rank A.[3]
As the Heroic Spirit of Christmas, the concept of Winter was added and she became unable to skillfully regulate her temperature, causing the unfortunate loss of this Skill.[5]