Fate 474 Four

Having confirmed the arrangements, Yu Hong quickly returned to the Main Control Room.

The reinforcement of the Black Mark was complete, and the Tower Spirit Map had turned into a book made of light golden metal, with three words printed on the cover: Primordial God Scripture.

Instead of flipping through the fortified manual, he pressed his hand against the wall immediately.

'Reinforce the Black Black Spirit, direction: increase the hardness of the outer wall.'

The strength he thought was sufficient before now seemed inadequate again, and he could only further enhance it.

In fact, Yu Hong didn't really want to keep reinforcing the safety house. Because at this point, the strength of the safety house was already extremely high, and each subsequent reinforcement required a long time to achieve a breakthrough.

This was a tremendous waste in using the Black Mark.