bin 500 fg was able to do a level 70 greater rift in 5 mins. Ancient spear fully charged took 3/4ths the rifts boss health in 1 shot at paragon 800. Really fun build can't believe how powerful it is all legit gear.
6 set ancient earth

focus restraint hellfire tri stats

ancient weapon and belt

comes with the 3 items needed for cube for the build