a proper horde mode with infinite waves and for evry 10 rounds you get a reward with 50% change of blue and legendary in the first 20 rounds and in rounds 30 40 and 50 you should get 80% change of legendary and 10 % blue and 10% exotic and in the following rounds you get 50% legendary and 50 % exotic and evry 10 rounds should be weekly capped so if you get to round 30 and die you will have to get to round 40 to receive more loot