Blizzard has disabled the Lionheart (AU) server on Classic Season of Mastery as players were able to transfer old characters to this server unintentionally. Earlier today, players found out they could transfer characters from Eternal Classic to the the Lionheart (AU) server, which causes issues for the economy, gearing and PvP.
Non-Season of Mastery Characters in Season of Mastery Realms Blizzard has now disabled the realm while they figure out what to do.
We’ve temporarily disabled the. Read more on wowhead.com