People as usually used bug, ursa+wraithking(fixed), firecrackers (fixed), Mine's (fixed) Visage (fixed) and so on...
The top Jade rewards are
Rank S 10,000,000+ dmg 3500 Jade coins reward
Rank SS 50,000,000+ dmg 3750 Jade coins reward
Rank SSS 100,000,000+ dmg 4000 Jade coins reward
Rank X 500,000,000+ dmg 4000 Jade coins reward
Rank XX 1,000,000,000+ dmg 5000 Jade coins reward