The Japanese martial art of wielding as kusarigama, (a chain sickle).

a master; an expert

(weaponry) a Japanese martial arts chain weapon, that consists of a kama, (鎌, the Japanese equivalent of a sickle), on a length of kusari, (鎖, metal chain), with a heavy fundo, (分銅, iron weight), at the end.

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend

he; boyfriend

technique / art / way, means

art / technique / skill / means / trick / resources / magic

means, way

everything