I Have a Magical Hole in the Apocalypse

In 2066, a mycology research expedition discovered a brand new ancient microbial fungal community under the Arctic glaciers. In 2070, a viral pandemic swept across the human world. Spherical fungal viruses that used fungi as hosts emerged and brought about the apocalypse, taking over the planet. 90% of the global population was infected and turned into fungal zombies with mushroom heads! Against this backdrop, the fungi controlled the zombie puppets to establish a civilization belonging to the microbial fungal community, wiping out human civilization. Reborn one month before the apocalypse, Xu Que intended to hoard supplies to build an impregnable doomsday fortress that could withstand the...