User blog comment:Appelmonkey/Undertale vs. Puella Magi Madoka Magica Mini Series, Episode 1/Sans vs. Homura Akemi/@comment-25242759-20160706085042/@comment-11361577-20160706125827

I wouldn't say that Chara's attacks were as fast as the speed of sound, just fast enough that all the other monsters couldn't dodge it.