you can trigger a dummy unit that will cast bloodlust on the hero when you turn on the spell and trigger the dummy unit to cast purge or dispel when you turn it off. Base the spell on immololation** don't know if you spell it that way.
Finally finding about some of the bots that are flooding the users online - bytespider apparently is a huge offender here - ignores robots.txt and comes in from a ton of different IPs
Ghan has said he has fixed this. Monovertex please confirm this fix. This was only a problem with people that had signatures in the upper levels like not the special members but the respected members.