Multiverse the Flash one shots league raid ten sub-boss Dr. Fate in Raid ten in Injustice2Mobile. I got an idea for this pip after he did well with other artifacts to one shot a tough outpost in Division III Invasions. This should work in Solo Raids also.

10 Star MvF L10 Beta Club.
7 Star GossG L10 SoSal.
7 Star RokBA L10 Gemstone.