The author of Hostile Worlds Invasions 1.12.2 took the idea from Hostile Worlds, and made on its basis an independent modification, which every few nights near you will be generated by angry monsters and will destroy everything in its path.
On such a night you will be announced in advance and you will have the opportunity to miss it by clicking on a special block.
How to install Hostile Worlds – Invasions Mod
- Download and install Minecraft Forge
- Download mod
- Unzip it and copy to C:\Users\User_Name\AppData\ Roaming\.minecraft\mods