You and your partner get 100% ep, by hiding in wilde/skilling/pking w/e u wana do, when u both have it you kill eachother with 76k untill the ep has gone to 0%, sorted.
the best way is to build ep in a bh world so u get a targ. when you kill the targ u will get very good loot from the target killing bonus u get and your next kill(which should be the 76k trick) will be what ever ep u had when u killed or died to targ(you know like how when the new pvp bh came out and you would have a full black square after targ kill/ max ep)
Gain ep while risking 75k for 2 hours, get that EP to a green number (usually 100), kill your friend with 75k and he does the same thing, profit.
To gain, there are a lot of ways. But doubt you'll listen to me so I guess you should figure that out. Watch some fights at lvl1 wild in BH, or be like me and train in the wildy.