Maybe Being able to see when buying an Battle.net Account where the Account has its WoW Characters (on which Server/Country/Realm and which WoW Version

I suggest adding a feature allowing the users of the platform to look for specific World of Warcraft Accounts when searching Battle.net Accounts, showing on which Server/Realm the Account has Characters on and maybe the Equipment / Gold / etc.

(using sites like the official Blizzard Armory, accessible via the World of Warcraft website or for enhanced insights for example in competitive PvE
Raider.io offers detailed dungeon logs, Mythic+ rankings, and community tags.

Additionally, tools like Classic Armory are available for specific versions such as WoW Classic: MoP, offering quick character searches and detailed stats without requiring a login.