I've heard this name in a previous thread, and thought it would be devilish and evil to steal it for myself! (
It's ran on heavy variables, though. It depends on your character's profession to determine the heroes.
The skillsets are:
[build prof=Me/E name="Mandragor Mes" box Illusion=12+1+1 fastcast=8+1 dom=10+1][Fevered Dreams][hypochondria][fragility][frustration][accumulated pain][cry of frustration][guilt][glyph of lesser energy][/build]
This is the heart of the build. Soothing Images can be put in when you're against high-adrenaline based enemy areas, if you're concerned about not being able to permablind stuff.
You can also run a Necro for Soul Reaping working as energy management, but I personally like Mesmers.

Edit: Fragility will now be more energy intensive after the revert. It would be extremely smart to choose Necro over Mes in this situation.
With this, your conditions reach max strength on the field, witness the death of legions of enemies!
[build prof=E/N name="Condition Elementalist" box air=12+1+1 est=10+1 cur=8][air attunement][elemental attunement][Maelstrom][enfeebling blood][blinding flash][lightning hammer][lightning orb][resurrection signet][/build]
The aim of this one is to spam LO & LH and the 3 conditions. The build can be set appropriately depending on the situation. (If there's heavy enchant removal ect.)
[build prof=R/Mo name="Spellcasting shutdown" box mar=9+1 exp=12+1+1 wil=9+1 pro=3][broad head arrow][distracting shot][savage shot][volley][screaming shot][mending touch][natural stride][resurrection signet][/build]
The aim here is to use BHA on spellcasters and use Volley for a more AoE-ey feeling of interrupt, and DPS.
It also offers strong conditional removal via Mending Touch and Bleeding via Screaming Shot.
[build prof=W name="Melee" box axe=12+1+1 str=12+1][eviscerate][body blow][executioner's strike][disrupting chop][flail]["for great justice!"][enraging charge][resurrection signet][/build]
The aim here -- Kill stuff.
This one is NOT advisable in the hands of the AI.
You can also switch out Eviscerate and Executioner's for Sever Artery and Gash as a Sword variant, with Disrupting Chop changed to Savage Slash.
If you're running the Ranger, remove Screaming Shot for Sloth Hunter's Shot or Body Shot if going with the Sword. Or even Pin Down if you're worried about enemies thinking "Noes, melee, run awaaaaay!!".
For Hammers, go for Earth Shaker, by switching Evis for Earth Shaker, Executioner's for Crushing Blow and Disrupting Chop for Crude Swing.
[build prof=P name="Cruel Spear" box spe=12+1+1 lea=11+1 com=6+1][cruel spear][spear of lightning][aggressive refrain][anthem of flame]["go for the eyes!"][optional][optional][signet of return][/build]
The aim here -- Kill stuff again!
The optional slots could be filled with things like Cry of Frustration.
If you're the player, you can always go Imbagon (Rac's build for instance) and lose EBSoH for GftE and Swift Javelin for Vicious Attack.
[build prof=N/Rt name="Toxic Corpse" box dea=12+1+1 res=10 sou=8+1][toxic chill][deathly chill][putrid bile][death nova][protective was kaolai][rotting flesh][animate bone minions][death pact signet][/build]
Again, kill things!!
You also have Bone Minions serving as: Bodyblockers and a battery for your own personal use.
[build prof=D/W name="Wounding Strike" box scy=12+1+1 mys=12+1][wounding strike][mystic sweep][eremite's attack][distracting strike][wild blow][heart of holy flame][heart of fury][resurrection signet][/build]
For the last time, kill thing!
You have an elite Severgash on a brokenstrong weapon.
Not advisable on heroes.
HoHF is also switchable, since it's quite bad, I just used it as an enchantment to fuel Wounding Strike.
Aura of Holy Might is a good candidate if you're the player.
(Will ya shut up NOW Blur?!)
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All of these can be ran as a player, and infact, as a player you can take PvE skills.
And Fevered Dreams is more of a skill you use once and ask a mob if they like conditions, in an extremely wide radius, and that's why I like it more than Epidemic.
I'm not really sure if Fragility and Hypochondria turn the conditions reapplied to the enemy into a nice damage output, though, must get on my Mesmer soon and try it out.

I'm also finishing off on the other professions, if there are any mistakes or whatever please notify me and I'll fix it.

Suggestions welcome.
Please read: If anyone can test Hypochondria + Fragility, with conditions already applied to the enemy and nearby enemies for any source of damage, I would be more than happy, especially if you provide screenshots!

Edit: I've modified some of the builds for more reliability on your conditions and the survivability of the Necro.
Edit 2: Editted the Ele for the revert. Noting down something on the Mesmer.