Mettaton NEO is the fourth boss on Undertale 's Genocide Route. He is a transformation of Mettaton only encountered after defeating Undyne the Undying, replacing Mettaton EX on the …

After being confronted by the protagonist on the Genocide Route, Mettaton transforms into Mettaton NEO, which resembles Mettaton EX, but has a more combat-oriented design, …

And I decided that mettaton's true form deserves a real fight, and that's what inspired me to make this.

Make sure to get the burnt frying pan. It will deal more damage then the knife in this fight. His blue and orange bullets are actually just a trick so run into the blue and stay still for the orange. …

The only time fighting Mettaton NEO will fail to progress the No Mercy route is when you haven't exhausted Hotland and the CORE's Kill Count, haven't killed Muffet, or haven't killed the Royal …

On the Genocide Route, he becomes Mettaton NEO, wishing to protect the remaining monsters. Mettaton uses the Red SOUL during the quiz show and beginning the battle after the …