Shadow E Buzz Solo, this not easy

Sunny Weather, running ground, we tried several different teams including a single level 35 Primal Groudon but needed 2 relobbies. We tried a single Level 50 PB groudon again double relobby. So we ran Lvl 40 PB Groudon, Lvl 34 PB Groudon, Lvl 51 Primal Groudon.