Winter melon and dragon, as long as you have patience, you can fill it without charging money. 9. The secret is to brush the water dungeon, and you can earn about 9000J once a day (J can trade with other players to buy gem equipment). If you level up, you can brush the ethereal peak (ask others to take you to brush the BOSS indefinitely, and it is recommended to go when you are over 90). When you come out of level 35, you can go to the copy of the sect to make strange upgrades. The full level is capped at 149.