Thud!

[The Player ‘Yang Sang-Won’ has died!]

Lab Director Sang-Won died extremely suddenly. After passing through the Ghost Soldier depository, he had reached a cleverly-hidden door. All he needed to do was reach out his hand to open the door, but his head slumped down, and he was unable to do so.

[The door is securely locked!]

[Enter a pattern or a password to unlock the door.]

The door seemed to be locked with a more advanced security system than the Ghost Soldier depository.

‘Will it work again?’ Chang-Sun wondered.

As there was a precedent, he simply brought his hand to the touch screen without worrying much about it. Then, [Peter’s Key] trembled lightly against his neck, and the touch screen shone brightly once again.

[Master ID has been confirmed.]

Click!

Zing―!

The tightly-shut door opened wide, as if it were encouraging Chang-Sun to enter.

‘It seems… This key specializes in opening locked devices or doors,’ Chang-Sun thought.

Did the key have any requirements apart from the object having to be ‘locked’? Thinking he had to test it out properly later, he went inside. Unlike the Ghost Soldier depository outside, the inside of the chamber was much narrower. It was thirty-three square meters wide; in the center, there was an altar of the sort used to pray to a deity.

[The Celestial ‘Calamity Tiger’ looks at you in surprise for successfully locating this place.]

The altar consisted of two parts: A main platform upon which sacrificial offerings would be...