Vampires can act more aggressively and autonomously, including drinking from pregnant Sims or turning Sims without restriction.
Some versions of these mods allow for the enabling/disabling of "extreme violence," allowing you to tailor how often Sims kill each other. VAMPIRES - Can Kill
You can typically find and download these types of mods through platforms like Patreon (for Zero's Sims 4 Mods) or Mod The Sims . Ensure you have the required XML Injector downloaded
Ensure you have the required XML Injector downloaded and updated to make the mod functions work in-game. VAMPIRES - Can Kill
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.