Tactics for Diablo (spoilers, obv.)

[NuurAbSaal]

I cannot say how it is for the Barbarian, but the Monk has a couple of easy ways to deal with the Lightning.

Same. It's just one rather clearly telegraphed attack, no class should have a problem reacting to it. A single +armor Leap will take care of it, for example*. Now, if Sheablo (thehehehehe, sorry...) was also Jailor/Nightmarish/Frozen, things might look differently, but as has been stated: elites > D.

take care
Tarabulus

*at least up until Hell, no idea about Inferno.