At the End of the Shining Rainbow - S1.E82

The Black Rayquaza once again appears before Liko, Roy and the others, and they all challenge it to a battle together in order to gain its approval! However, despite incorporating the terrain to great effect in their combo attacks, they gradually end up driven against the wall by the overwhelmingly powerful Rayquaza! Liko's wishes... Roy's desire... What's going to happen to them at the end of this fierce battle against the last member of the Six Heroes?!