Super Diffusion Beam is R.O.B.'s Final Smash in SSB4. R.O.B. transforms into a giant laser cannon and shoots a giant laser towards the opponent straight forward that splits into four smaller ones, then does a final shot. It is possible to aim it up and down, like Full Blast and Zero Laser.
|R.O.B.'s Special Moves|
|Standard Special||Robo Beam|
|Side Special||Arm Rotor|
|Up Special||Robo Burner|
|Final Smash||Diffusion Beam||Super Diffusion Beam||Guided Robo Beam|