Guild Wars 2

I doubt someone from ANet will answer this, but I feel like asking anyway.
What are the attributes and builds of the Guardian NPC in the Heart of the Mists?

I use him to test most of my builds (to compare damage taken, dealt, health left, etc) because he seems to be the toughest one, but then I fought him with my Warrior and noticed that he has about 20k health (I hit him with a Hundred Blades for 7k damage and it was about 33% of his health).
Then I logged on my Guardian, who is full PVT (3300 Power, 2950 Defense, 21k Health) and my Leap of Faith hits him for 750ish. His hits me for 1200~1300ish. Crits pretty often for 3300ish.
His Strike hits me for 1500ish non critical, 2200 critical. Mine hits him for 500~600.

So, how can he have over 4000 Power, 4000 Defense, 21k Health and crits every 1/3 or so? I want these stats too…

The NPCs probably use artificial stats not proper gear.

The Guardian represents a completely unattainable build that mixes max Guardian DPS with max Toughness and Vitality.

NPCs can dodge roll when immobilised and they block instead of evade.

NPCs don’t have builds, just ridiculously high base stats to help you get a feel for what you might face.

They’re meant for testing only.