
Originally Posted by
Morgan le Fay
It's been noted that some players lurk in the heroic realms and attack others who enter the various heroic realm boss areas and attack weaker players. It's happened to me a few times and its incredibly frustrating in a middle of a boss fight for a player to attack you, especially after a difficult boss you're just about to beat.
I understand you take the risk in wilds but with boss fights you need organise your heroes in a formation which may not be appropriate for PvPs and therefore become an easy target.
To answer the OP's question, I think heroic realm bosses regenerate 24hrs after defeating them.