Deep in the forbidden area of the Federation College, there are secrets with a star date of 370 years. Wang Lin followed Lin You through the passage guarded by Zhou Ming. The rusty alloy door of the laboratory on the ground floor was engraved with the years blackened by artillery fire. The harsh friction sound of the key inserted into the keyhole echoed in the empty space like the whisper of ancient creatures. The depth here was far beyond his imagination.
