Youll lose with either DRs or ShSt,but if you have a lvl 11/12 Water Dragon its capable of defeating a lvl 11 camp ALL BY ITSELF if you max out the 3rd battle art of the water dragon(wraith dragon cant do this)
i have tried 2 attacks on ant lvl 11 camps so far. the first with a fire dragon 79999k volt rangers and 40k shaman my capacity is 120k . i remained with all my VR and 3078k shaman. research lvl's med 10 met 10 dragonary 9.
second attempt i used mephitic serpent lvl 11 80k DR and 39999 shadow stalkers. same research and didnt lose anything. will try this again a few times but this combo does work. also shadow stalkers can take a lvl 10 ant camp once there is a GD OR ED with them. i have used this many times without losses. they also work by themselves. posted pics as well of the battles.