Some versions of these mods allow for the enabling/disabling of "extreme violence," allowing you to tailor how often Sims kill each other.
Turning a Sim into a vampire can now have a chance of failure, resulting in death during the transformation process.
Based on your query, it seems you are referring to the mod for The Sims 4 (often associated with modders like Zero or similar creators). This mod enhances the vampire gameplay experience in The Sims 4 by making vampire behavior more dangerous and lethal to human Sims.
You can typically find and download these types of mods through platforms like Patreon (for Zero's Sims 4 Mods) or Mod The Sims .
Always ensure the mod is updated for the latest version of The Sims 4 . If you're looking for help with this mod, let me know: Are you having issues with installation ? Are you trying to disable certain features? Vampires Can Kill (Re-post, New Version) - Patreon
Some users have reported that these mods may need to be placed in an "override" subfolder within your mods folder to work correctly.
Ensure you have the required XML Injector downloaded and updated to make the mod functions work in-game.