UNDERTALE ยท Core
METTATON EX
UNDERTALE boss fight
Mettaton EX is the TV-star robot's final form, fought in UNDERTALE's Core.
Play the Mettaton EX fight online, free in your browser. No download, no account.
ABOUT THE FIGHT
The fight is a live show: you raise the ratings by posing and boasting, and his weak point is his heart-shaped core.
In the simulator you can play it straight from the fight list, practise one attack at a time, rewind a mistake, or let the autoplay SOUL show you a clean run.
- ACTs Boast, Pose, Heel Turn
