another thing like other MMORPG that i played, is the amount of "hate" or aggravation.

Meaning, the more # of skills unload on boss, the more he/she hates you more and come after you. so, in the case of our "pink train choo choo" 4 birds unload all skills same time within 5 secs, then it's who damaged more and missed less on top holds agro. (perhaps)

red orb helps too, although Attackelf just noticed while both of us 56 and Moog had red orb, I took agro on GF, but I did enter room earlier while Moog grab orb.

So Attackelf's higher level theory might have some valid points. When Moog reach 56 in an hour or so we will test more for show