I just pull the boss with the void (fully buffed) then soc as many as necessary ( must be improved void)

this works well for SM and ZF. You start to have problems with Strat mobs but it can still be done. if you have 4 locks and 4 soc on mobs going, its a thing of real death when the whole SM instance drops in less than 1 sec.

I think locs top mages in aoe farming if setup correctly