Like every other Grapper, Yuki uses a G-con, which activates his Glade, and G-con Element. Yuki used to possess a Dark G-con, but realized the truth after the 2nd battle with Hibito, and destroyed it.
Yuki uses a rapier as his Glade. The rapier is originally a mint-green color, but then changed to a violet color. The rapier has 3 sickle-like objects on the handle.
Y: A quick lunge forward.
Y + Up: Jumps at a forward/upwards angle, while swinging his sword upwards.
Y + Down: He jumps back a distance, then lunges forward, similar to Y.
Y + Jump: He brings his sword forward, and flashes his sword around.
X: He brings his sword forward, and flashes it around, similar to Y + Jump.
X + Up: He brings his sword forward, then upwards, with a wind trail following the sword, which eventually breaks down into petals.
X + Down: He lunges forward, and a small energy ball appears at the rapier's tip, that breaks down into petals.
X + Jump: The same as X + Up, but in mid-air.
Grapple: He grabs forward, then jumps into the air, bringing his sword up (similar to Y + Up), And a small tornado appears, then he falls back to the ground, and lunges forward.
Phat Beat Combo: Yuki puts his sword upwards, and wings appear out of his back, lifting him up, then, he dashes forward while lunging mid-air, then disappears, and reappears.