How do you kill the Rotscale in Majesty's Rest?????

me and my guild have been trying to kill the rotscale for over 2 weeks , we changed builds and tried different party's and different tactics but we can never kill the Rotscale, we managed to kill all the other dragons but not him. We are trying to kill him mainly because now its some sort of challenge which we want overleap! but we need some help because were finding it extremly difficult.

Any1 knows any build or any link from which we can find that that we seek? thx in advance

Are you serious?
My guild friends killed him in 1st try.
Get 2 healer/bond monks
Necro batterty
2 echo Nukers or Glyph nukers
and like some warriors and things like that.

Its realy easy. First you kill all the mobs around, then you get him cornerd while necro uses G. Balance and nukers nuke him down.

Grenth's Balance + vital blessing + demonic flesh + saccing skills = a lot of damage

thx a million goan try it this evening