C407 A mystery left by the patriarch

Where is the Diamond Sutra? Look at how sinister this place is ? Were we designed?

I don't think so. The people here are all very kind. I don't think they would lie to my little girl. The Old Cube also said that this is actually a very big riddle. Only if we solve it will we be able to get our hands on the Diamond Sutra.

Just when we were stuck at a bottleneck