1, daily task brush supermodel knife. In daily tasks, use walking and jumping flexibly to brush off a large number of anti-hypovolemic zombies until the number of mission targets is not full.

2, treasure hunt task brush supermodel knife. On the premise that the backpack is full, you can repeatedly enter and exit the mission map of one star. After purple and orange equipment appear, you can throw away a piece of junk equipment in your backpack and pick up orange and purple equipment, and you can harvest a lot of high-quality equipment.

3. Control the weapon type and brush the supermodel knife. It is very efficient to brush super stones in this way, and each map can get 3~5 super stones.