unrivaled
Chinese/Japanese proverb that literally means without an equal or enemy in the whole world and denotes a character being unrivaled and unmatched. Can be seen printed on clothing.
Tag if you see the following
無雙 (cn)无双 (cn)
無双 (jp)
無敵 (cn/jp)
无敌 (cn)
Any of the above may be prefixed by 天下 (cn/jp)