Asgore and Flowey are among the final boss fights of Undertale, coming after you've explored The Core. The following boss is designed to be played as part of a complete Pacifist guide - in short ...

Once you defeat Asgore, the next time you go to save your game Flowey will appear instead - proudly proclaiming that your save file is "gone FOREVER." If you beat him, Flowey will rescind his ...