There are no abilities to do that, they can only do a fixed amount like +100 hp or so.
I'm fairly certain the trigger editor doesn't allow this either, but I'm not completely sure.
Haven't got access to the Editor atm, so I can't elaborate further atm.
does, at least in GUI it wont, the BJ function that refers to got a check to prevent setting beyond max
you may have better luck directly using JASS to set beyond max
but i dont think its possible either
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.