Quote:
They're immune to sleep and silence, but weak to bind and gravity.
Actually, the BLM NM, which is the main boss, is silenceable. We did this run several times last night and I managed to silence it many times. I was kiting one of the weaker NMs as RDM however, so keep in mind that I didn't come into contact with the BLM very often. I never saw it resist silence, actually.
As for bind and gravity, gravity works wonders here. It will almost always last MUCH longer than the recast time. Bind was a little more random. Sometimes it would last 10-15 secods, other times it wouldn't even last one. I usually just ran around with the mob following me and would bind when I thought gravity might be wearing off soon. With my enfeebling magic capped, each spell was only resisted once out of seven runs.
One strange thing I noticed was with slumber powder. I had to keep poison pots on the whole time in order to fight any sleep attacks. Oddly enough, the kited mobs NEVER used slumber powder unless my poison had worn off. If they ever got close, they would use Sprout smack and the AoE that hits 2-3 times (forget what its called) but they would always wait to use slumber powder right when poison would wear off. I mean, as soon as the message "Jobberwock's poison effect wears off" appeared on my screen, it was directly followed by slumber powder, which has a huge range and will pretty much get you unless you are on the other side of the room from the mob. So just a warning, these things seem to know when they should and shouldn't use this attack.