You had finally managed to find the gate to the Undernet, before two people appeared in front of you. The one on the right looked like a guy with white hair in winter clothing, while the other looked like an Espeon, for some reason...

Warden: sniffle Halt! You're not allowed to go any further!

Espy: Indeed. I'm sorry, but you will have to fight us both, if you wish to proceed.