Wanted to get a take from others who have done their share of Epic Elite quests where your party is generally exposed with few to no bottlenecks, and mobs are plentiful.
A recent EE "Reclaiming the Rift" run with my guild was pretty horrific. My L25 Grandmaster/Earth Monk (700+ HP, 56 Stunning DC, 110 AC, 42 PRR, 45+ all saves, 12% Dodge, 20% perma-blur, 10% Ghostly, 150% fortification, lots of Store and Yugo pots for emergencies) held for a bit longer before I joined the slaughterfest that the dracoliths and enemy mages wrought. My toon has Twisted in Legendary Dreadnought and Unyielding Sentinel abilities with Grandmaster of Flowers to get the numbers above (deferring Imp Combat Exp for this run for 20 less PRR and adding Legendary Tactics for more DC). I have (if I've calculated right) a 400% healing amp on this human Light Monk and carry two Vampiric handwraps for up to 10 HP back per hit (helped a lot with Healing Ki in tow in some instances).
I've read quite a number of the EE survival stats and tips threads (this one was quite helpful, among others) that has had me update my advice, toons and gameplay for guildies as well as myself, and (as noted in my character's summary above) integrated as much of this into one toon as I could do as my guild continues its EE runs. Practice makes perfect. Some runs were quite good and some were more challenging. This one was a doozy.
I studied my combat log to see 130+ slashing damage from a dracolith. I know they're nasty, but wow. How does one thwart or avoid this with any damage absorption or avoidance? Or does better crowd-control or ranged/magic tactic offer something better? Dracoliths did seem vulnerable to good CC effects from Otto's to Fascinate.
I know that Monks suffer more against slashing damage than sword-and-boards (though I'd appreciate notes if your experience is otherwise and how you have resolved this), and we were a party with a lack of S&B that could concentrate aggro at the start, so I will admit that we were asking for it more than necessary by going in "light." (It was a slow guild day and we generally aren't PUGing.)
It was our Bard that slowed the crazy death-dealing with Fascinate spells to slow things down while we picked up our spleens and severed heads and limbs to return to some semblance of fighting. We did complete, but it certainly was ugly.
Advice and thoughts based on your experience in this specific quest (or other similar EEs) appreciated for damage, CC, aggro management, etc.
My toon is not multiclassed and likely won't be; I choose to get the most out of a single class in most of my builds, especially given the versatility of EDs that can add similar diversity.