The Companion Mod, also abbreviated as VTMB CompMod, is an expansion mod adding more to game rather than changing it.
The Companion Mod expands the game further. It allows the player to enlist companions to help in the game as well as further the story. The mod also makes it possible to embrace humans fx Carson. And if you find a special item in the Malkavian mansion, you can even embrace other VAMPIRES!
The Companion mod features: embrace of humans and vampires, ability to possess your traveling companions, using your companions powers (!) And of course a lot more fun.