This disk was available as a prize for challenging Battle Leader Ratsuha in the Trainer and Battle mode line-up from the fourth Dash set. Regardless of the outcome, players could dispense either this disk or a Regigigas disk following the battle. Disks dispensed if a player successfully defeated Battle Leader Ratsuha had 'WINNER' on the illustration. Each disk also has the Dash set 4 logo on the illustration.
Trivia
Origin
Dark Pulse is a move that Darkrai can learn in the games.