There are many things to consider when it comes to whether or not to use The Blade of Mercy in Bloodborne. Some people may find the ability to heal allies too powerful, while others may find its damage too low. Ultimately, it is up to the player to decide if they want to use this ability or not. One thing that is for sure is that The Blade of Mercy is a powerful tool that can help players survive in Bloodborne. Whether you’re using it as a last resort or as your main source of healing, The Blade of Mercy can make a big impact on your gameplay.