User blog comment:Just a passing through Master/Lancer of Sengoku/@comment-4802891-20190604042437/@comment-32751919-20190604070901

For Cu, he could be strong beyond 3-stars, if not because his stats as 3-stars standard, and if you grail him, that's his potential.

@Paul Some servants don't have the skill describes in the biography, but I would add it later. Just kidding.