The structure of the underground research institute was considerably complex. Without a map, they could only rely on the guidance of the Regulatory Personnel through their earpieces.

"First, head to the experimental area on Basement Level 7 and retrieve the research data."

"The elevators aren't safe. Take the emergency stairwell."

Following the captain's instructions, the trio took a long, winding route, passing through several security checkpoints before finally reaching the door to the emergency stairwell.