I Rely on Shanhaijing to Build Infrastructure

In the thirteenth year after the end of the world, Shengwu obtained a book of mountains and seas that could summon ancient creatures. The city is in ruins, and humans and ghosts eat each other—— The first day of signing the contract: Gathering Gu and carving feathers to build a safe house The tenth day after signing the contract: How can Pixiu not be a kind of warehouse superpower who can only enter but not exit? Motto: Overcoming difficulties with hope