How to train after the legend of stardust level 50?

Do family tasks and all national tasks every day! You can gain a lot of experience and SP. In addition, ten bounty tasks are done every day. (Opening the supply box between 9: 00 and 22: 30 is double experience and SP! ) You can get a bounty hunter supply box, and you can gain a lot of experience when you open it! The second is the main task! There are side missions! You can also team up to brush elite monsters! (Brush elite can not only gain a lot of experience and SP! How many gold coins! )