Why would it go to Larian? They make mostly turn based tactical RPGs. Vampire: The Masquerade is an action RPG. Completely different style of game.
Larian did make action RPGs before. They even made a RTS. It's not like the DOS games are the only games they have ever made.
That said, this thread is silly. If Larian randomly acquired another project out of nowhere, they would have announced it by now. They already straight up pulled the plug on Divinity: Fallen Heroes in favor of BG3. Larian is more likely to be simultaneously working on another DOS project, restarting development on Fallen Heroes, or hopefully building an entirely new engine for an inevitable sequel to BG3.