An Elec/Elec/Mu Brute does this well. Dive in with Lightning Rod knocking everything down, hitting Power Sink to drain ~80% endurance from everything around you, following up with a Ball Lightning and Thunder Strike, all while your Lightning Field is running. By the time the mobs get up, they'll be completely drained. While they'll gradually recover, Lightning Field will keep them from getting enough endurance to do anything but poke at you with their weakest Brawl-type attack occasionally - and the Boss, who you'd be focusing on, will be completely unable to act while being pummeled by your single target attacks. Coupled with the high AoE burst damage of Electric Melee when at high Fury, you'll destroy the minions and lieutenants in spawns before they get a chance to cause you any harm.
Electric Armor, in the normal sense, is somewhat squishy in terms of mitigation and thus draining endurance becomes a unique extra mitigation aspect of the powerset. Basically, anything that they can throw at you with what tiny bits of endurance they recover through Lightning Field will not do much due to your Resistances anyway.
Your primary drain power, Power Sink, comes fairly late though - level 35.
Elec blasters i have to say are better. Short Circuit when slotted will take approx 70% end in one shot. Paired with elec secondary power sink can take the rest, or with energy secondary for the power boost which enhances end drain as well.
short circuit and power sink are definately an awesome combo, i really like tesla cage as well, although it doesnt seem to really work on bosses it does minor damage but makes it so they cant move, attack or in the case of some tsoos, teleport away like a pansy
http://union.virtueverse.net/wiki/The_Thunderar - My main, under construction
I have an empath/elec defender and he can zap a lot of endurance from enemies with just short circuit. I also slot ball lightning for end drain. I also remember reading that defenders also get a bonus to the end drain that they do, but can't find the link at the moment. I think a kinetic/elec would be very good. You could drain speed, regen, recharge, endurance and damage.
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I have an empath/elec defender and he can zap a lot of endurance from enemies with just short circuit. I also slot ball lightning for end drain. I also remember reading that defenders also get a bonus to the end drain that they do, but can't find the link at the moment. I think a kinetic/elec would be very good. You could drain speed, regen, recharge, endurance and damage.
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Doesn't all defender blasts have secondary effects boosted? I guess my Nrg defenders make way too much KB than my only blaster. 
I tried an electricity blaster. I just lacked the patience to get it to a high enough level to do anything useful. Draining endurance sounds great but that didn't seem to affect most mobs at all and the damage done by electricity seemed miniscule compared to other blaster sets. That was a couple of years ago though, maybe things have improved since then.
Elec Blast has the same drain amounts for both Defenders and Blasters, they have the same mod for Endurance Drain (either that or it's simply not affected by AT mods)
I found something.. 
http://uk.gamespot.com/pc/rpg/cityof...amp;pid=536558
Elec/nrg blasters are lots of fun for this.
"Powerboost, Aim, BU, SC, Ball lightning" sees most around you at zero end ( bosses excluded of course. )
Assuming you survive the alpha then it's very quick to mop up with energy melee.
One of my most enjoyable toons to play in that you very quickly get into a kamikazee insane playstyle, which is great as long the team are aware of this 
Thoroughly recommended.
Fahie
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Assuming you survive the alpha
[/ QUOTE ]Brute. 
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Assuming you survive the alpha
[/ QUOTE ]Brute.
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<grins>
Where's the fun in being fairly sure that you are going to survive ?
On a side note, forgot to mention that the other plus side of /nrg is that the boss that you fail to drain you can normally perma-stun, whilst keeping everything else under with repeat applications of SC.
Fahie
The beautiful thing about an Elec/Elec/Elec blaster is that they are something of a jack of all trades.
The DPS of Elec isn't brilliant but you get 2 excellent holds in Tesla Cage & Shocking Bolt, and a couple of great AoEs, and the End Drain.
Slotting everything for End drain will gimp your damage for not much benefit but a good couple of holds, followed up by some good end drain.
Word for the wise: The End drain component has been neutered in PVP, so you won't rate it so much but in PVE it's a lot of fun.
Don't expect miracles, but if you work with a Kin who likes to spam Transferrence, only AVs and GMs will be immune to your drains
Thelonious Monk
AVs aren't immune to end drain, just highly resistant and/or have larger pools (I can't remember which it is). I've been on a team with my Elec/Elec/Mu Brute that's managed to drain Nictus Romulus and keep him empty.
Ill just chime in here and say end drain really shines when you have two end drainers (or more)
2 Short Circuits on a mob. 2 Elec blasters (or defenders, corruptors) fire it off simultaneously. Game over.
The thing is Short Circuit also causes a -100% recovery debuff, for 10 seconds. If two of these go off, anything but an EB or AV is just completely helpless for 10 seconds.. and base recharge is 20 seconds. So they may have 2 or 3 seconds of endurance recovery... but starting at zero endurance. And this isnt counting the effects of all the other elec powers.
Now factor in that pretty much nothing in CoX (enemy wise) has -recovery or -endurance resist.
If you really want to see elec shine, team with another 'leccy, or two. It turns from a "not bad" effect too "whoa!" effect.
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AVs aren't immune to end drain, just highly resistant and/or have larger pools (I can't remember which it is). I've been on a team with my Elec/Elec/Mu Brute that's managed to drain Nictus Romulus and keep him empty.
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fair comment but if you're doing it on your own you'll rarely ever make a dent in an AV/GM
Thelonious Monk
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AVs aren't immune to end drain, just highly resistant and/or have larger pools (I can't remember which it is). I've been on a team with my Elec/Elec/Mu Brute that's managed to drain Nictus Romulus and keep him empty.
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fair comment but if you're doing it on your own you'll rarely ever make a dent in an AV/GM
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I've drained AVs before with Power Boosted (slotted) Short Circuit plus Tesla Cage. It takes ages, but it's doable. GMs are another story and generally have too much recovery.
I really like the thought of being able to make foes entirely useless, unable to throw even a basic punch, as quickly as is possible. Thus, Electricity appeals to me.
A lot of characters get Electricity powers as primary and/or secondary. So I'd like your opinions, experiences, advice, and so on. Also, at what level can one finally leave them entirely helpless?