"Boom!"

Sealed room, opened violently.

"Ho ho~"

The old man poked his head out, leaned over, sniffed the gas in the room, and hesitated for a long time before stepping in.

The lab was filled with a gas.

The gas is pale white and has the ability to reduce the activity of zombies, although the effect is not large, but it can also have a restraining effect.

And the most effective has to be a special containment device.

The materials used to create the silver box are very precious.

It is also highly technological, so the containment device is very valuable, extremely hard, and difficult to open violently from the inside.

But...... From the outside.

Boom!

The old man is a zombie, holding a silver box with both hands, in the center

"The Invincible Apocalypse Begins with the Construction of the Shadow Kingdom" Chapter 231, Devouring, the arrival of the Dragon Knight! I am hitting it in my hand, please wait a moment,

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