It helps that Damien's world didn't have much concept of money outside of the Ministry cities. They would respect a win at a physically demanding event but the money wouldn't be an issue, or even something that some of them would understand.

"Minoru." Damien smiled but it faded to an unusual expression for the Dog, one of defeat. "Aarne insisted."

They didn't have holidays so they are still new to the Dog so he hadn't dressed up but Zack's love of comics helped him understand some of the costumes at least.