Photon

"Orion Fine Manny, He Needs Some Rest"

Photon is the Light Civilization Gatekeeper who dueled Manny and lost, She was Etenel Haven's duelist was well as Manny are

also Photon lives in the same civilization as Manny since their days of learning about Light Creatures and eventually Photon knew that Manny has good skills of dueling She expected but that beforehand and her creature partner was Cobalt, The Storm Knight

Photon was lost twice in the match with Manny