Assault shell appear after counter reached 312.
After 300 assault shell still did not appear.
After I had counter on 160 I was able to get mythic weapon. After 190 I got mythic weapon to be able to take it but I refuse because I wanted to get assault shell. After 210 still not even able to see the assault shell. I would say that this is not worth to play it at all. Even with the old version of Traders you were able to at least have a chance to get the best mount (in my case it was always like reach the reward after it changed to piece of cake but at least there was the possibility to get...