here are his moves and how to get them Icy Breeze: Press Down, Toward, Square.

Earthrealm A-8, in the cave on 16th of every month between 12 a.m. and 6 a.m

Flaming Fist: Press Down, Toward, Triangle.
Flying Jinko: Press Toward(2), Triangle.
Flip Scissor Kick: Press Down, Away, X.
Telekinetic Slam: Press Away, Down, Away, Circle.
Throw Spear (Scorpions Bloody Spear): Press Away, Toward, Square.
Slide (Sindel's Foot Grab): Press Toward, Away, X.
Bike Kicks (Lui Kang's Bicycle Kick): Press Toward(2), Circle.
Fatality 1: Press Up, Down(2), Toward, X (when close).
Fatality 2: Press Away, Up, Toward(2), Square (when close).
Hara Kiri: Press Down, Away, Down, Away, X.

Go to the following locations to unlock all of Shujinko's moves:
Torpedo: Directly in front of Edenia Portal
Bicycle Kick: Chaosrealm G-4 between 12 a.m. to 1 a.m. on Sunday
Ermac Slam: Edenia C-8 Wednesday at 5 p.m.
Freeze: Orderrealm F-5 at 11 a.m. on Wednesday (in building)
Foot Grab: Edenia D-8 at 2 to 3 a.m. on Monday (behind house)
Kobra Fist: Edenia G-6 (behind building)
Scorpion Spear: Edenia A-1 (Defeat Scorpion)
Flip Kick: Orderrealm E-1 at 11 a.m.
Fatality 1: Outword C-8 (in cave)
Fatality 2: Orderrealm D-4 at 9 a.m.