Board Thread:General Discussion/@comment-37750220-20181214063221/@comment-43317215-20191228133824

Oofoofoofoofoofoofoofoof wrote: Maybe because he breaks the game and such... but any other boss at LV 19 would be harder, as KR will quickly reduce your HP to 1. Undyne the Undying would be 100x harder at LV 19 than Sans - one hit is enough to reduce your HP to 1, and I'm not sure if you could ever win either!

[Fight]

8495823

can we really proove that you get KR at LV 19? sans is the only boss at LV19 so it could just be sans.
 * But it refused.*