Pokémon Go players are reacting after seeing fans who were hand-picked to attend the game's ultra-exclusive 10th anniversary Times Square event are now selling off their unique Mewtwo on eBay for thousands of dollars — breaking the game's rules in the process.

A limited-edition Mewtwo from Pokémon GO’s recent Times Square event has sparked a wave of high-priced eBay listings. The Pokémon was only available to players who attended the in-person event, making it one of the rarest event exclusives released >Some listings reportedly sold for as much as $5,000 >another reached $10,000 before it was removed. Pokémon GO’s Terms of Service prohibit the sale of accounts and in-game Pokémon, and completing such a deal would typically require account sharing or location spoofing, both of which can lead to suspensions or permanent bans.