369 Ultimate Weapon, Gravity Cannon!

Starting from a few years ago, Yao Yuan's group had been discussing the possible ways that humanity might go extinct and the possible solution to these problems. If it was due to a cosmic disaster, then nothing could be done. Even a high tier space civilization would not be able to escape the fate of extinction.

But what if it was a manmade disaster? Like the encounter with the zerg alien, space merchants, or junkyard civilization? When the Hope came up against the challenge from these powerful forces, would they be able to survive or even achieve victory?