Fully lock on to the orb emitted by the stage 4 boss during the third wave of its second form. (Requires locking on with all of your gunners; Continues OK; Player 1 only.)
Immediately after destroying an enemy with your normal shot, fire a lockshot to spawn [5]-grade rate chips from its explosion. (Continues OK; Player 1 only.)
Prolong Stage 5 fight with Gogyo-Kakushi almost to its time limit, letting them unleash their powerful attack (in any of Arcade, Super Easy, Arcade Plus or Custom Modes)