Nerf the Ghost Tank?

[TKF]

I almost never uses the ghost tank, only plays against it. It's quite odd when it capture a CP and gets triple kill and multikill cuz it gains huge amount of hp for killing tanks. It can use troops for it's own protection and heal when they die. I think the healing part when it's killing a hero should be nerfed, cuz it usually gains far above 1000 hp each time, and it's level 10 enemy ghost tank always seems to level that skill. (Perhaps 250-350 hp pr level for killing hero).