found it!

Fang Heng stretched his hand forward, picked up a thumb-sized black crystal from a mass of muddy bacteria, and put it into the backpack with his backhand.

[Hint: The player gets an item - prophage crystals].

it is good!

Another resurrection crystal is available!

Take it back and sell it for money!

Other rewards are quite false, but this reward that can be sold for money is the real deal!

Fang Heng is very short of money now.

Apart from

The content of this chapter is being updated...