Titan Quest Legendary Edition is a paid premium game (typically $19.99+ on the Google Play Store). Any website offering a "free" modded APK is doing so for profit. These files are not scanned by Google Play Protect. They often contain:
Titan Quest: Legendary Edition is an officially updated re-release of the action-RPG Titan Quest. A “Mod Menu Apk” for that title refers to an unofficial Android package (APK) that modifies game behavior—typically adding cheats (god mode, unlimited resources, unlocked items), quality-of-life tweaks, or developer tools via an in-game menu. Titan Quest Legendary Edition Mod Menu Apk