Am I sucks or there is a secret technique somewhere?

[moot]

I've been wondering how did you guys (Iluva, Alrisaia, etc) survive when soloing elite?
I saw on youtube Iluva likes just having 1.9k health and soloing elite in a very short time. I can solo pretty well with my mage but rogue is so tough to play. I remember running brakenbridge once with Alrisaia and he wipe out enemy pretty fast! I can't even FINISH brakenbridge with my well equipped rogue.

My skills is Aim Shot, Nox Bolt, Trap and Razor Shield.
I use Bonechill Bow of Potency and Incandescent Blade of Tactics (I have teeth for level 31).
I usually switch pet between Talon, Mccraw, Horton and I don't remember the deary relative pet that gives 10% dodge.

So guys, the ultimate question, am I just sucks and how do I overcome my 'suck'iness?