After realizing there might be something hidden within the wall in front of him, Leonard quickly made his way over to Joan's side, and then used his extraordinary power to open a hole on the side of the wall.
This had become a habitual action for him since acquiring his extraordinary powers; after all, many times, there could've been mechanisms or alarms connected to doors or covers, but usually not behind a solid enclosure.
Given that extraordinary powers had never appeared before in this world, no one would have thought that it was actually possible to breach from the side without causing a major disturbance.
As they had guessed, there was indeed an interlayer in the wall, and the secret door on the interlayer was connected to several wires, likely an alarm system.
However, the interlayer seemed empty at first glance. Leonard didn't see anything until he shined the flashlight inside, only then did he notice something depicted inside that wasn't very big.
