Imagine you walk into a small town everything seems alright except it’s a little off. The false hydra is more than a monster to fight, it’s a paranoia inducing experience that will linger with your players forever so just sit back and try to retain your memories as we go through everything you need to know. Why did a homebrew critter get so much attention? Because it’s creepy, terrifying, and will completely screw with the minds of any party that has to face it. This creepy bugger has been tossed around quite a bit with a bunch of different versions and iterations, but you can thank a guy named Goblin Punch for the original idea from his article here.
The false hydra is a fan made homebrew monster that gained quite a bit of popularity for evil Dungeon Masters.