Fastest way to kill zakum?

I did think about corsairs but they don't get a boost from other classes like 2H heros (speed infuse) or NLs (SE). If a corsair has SE that doesn't really help them all that much. 15% activation? woopy doo. Same thing with corsairs as the NLs though, they can't kill the arms as fast as melee. Heros DPS isn't that far off of a NLs on single target, but a NL can't compare at all to a hero hitting 3 targets with brandish.

Does speed infuse even help cannon?

How about a bunch of hero's + bucs, and then 1 party full of bandits . Bandits could drop mesos on the body the entire time the other parties are taking out the arms. Then once the body is summoned.... KABOOM XD.