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 ...

Photoshop Flowey - Undertale Toby Fox. Boss transformations don't get much more viscerally offputting than the emergence of Photoshop Flowey (aka Omega Flowey) at the end of Undertale's Neutral route.

Final bosses don't come much more creative or unhinged than Photoshop Flowey (aka Omega Flowey) at the end of Undertale's neutral route. This heavily segmented battle reveals Flowey's final form ...