shuriken technique

a master; an expert

(weaponry) shuriken, throwing star (a ninja weapon)

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

A flat shuriken; also known as throwing stars or ninja stars.