Me/E Troll Farming.

Troll farming is so damn tedious, I have to keep coming up with different builds in order to stay awake. This was one of my favourites, though not quite the quickest..

Me/E
Earth Magic :12
Inspiration Magic :16(12+3+1)
Equipment: Pretty irrelevant, just have a +enchanting mod on your weapon.

Skills: Signet of Midnight
Epidemic
Arcane Echo
Sliver Armour
Tenai's Crystals
Ether Feast
Channeling
Crystal Wave.

Execution is simple: Aggro the troll cave,cast Signet of Midnight and follow with Epidemic. Arcane Echo Sliver Armour,put up Channeling. Cast Tenai's Crystals and Crystal Wave, use Ether Feast if necessary. Rinse and repeat.

This build can also work with an E/Me, of course, indeed it'd probably work better...but since I only have a PvE Mesmer I'll have to make do.

Interesting. Very interesting. I like it. Quicker than mine.

I'm an E/Me and I use something like this for Troll Farming:
Earth: 16
E-Storage and Insp: Whatever
Crystal Wave
Stone Daggers
Kinetic Armor
Aura of Restoration
Channeling
Armor of Earth
Ward Against Melee
Physical Resistance

Now, there are some glaring flaws here, but I do manage to get it to work. First, Kinetic Armor is a pain to keep up, which is why Stone Daggers is in there. Second, if a Troll manages to interrupt something other than Stone Daggers, you're screwed. Third, yeah, there's a mantra to keep me from getting interrupted, but I probably can't fit it in without screwing up the build. Fourth, you need just the right amount of Trolls around you because too many will increase your chance of interruption and too few will bork Channeling.

I really like how you thought outside the box here and went the blinding+epidemic route. Kickass. No more disrupting chop to worry about. Finally, a reason to buy a few new Factions skills. I'll give yours a shot.

Also: Holy crap, Sliver Armor is perfect for this...