CIFV is a mod made for the New Official Vampirism Server to add small helpful things, such as the banners at the spawn, directly to the game. It is required to play on the server.
Vampirism Modpack: https://minecraft.curseforge.com/projects/vampirism-official-server-modpack
New Official Vampirism Server: https://chimute.org/vampirism
1LiterZinalco - Content of the mod
MCreator - The "coding" part