After my first playthrough (my neutral run with only killing toriel (at least i THINK i haven't killed any other monster)) flowey challenged me to come back at the end without killing
Why You Should KILL Toriel • Undertale • [SPOILERS] - YouTube
Undertale - Defeating Toriel with "SPARE" (Pacifist run) - YouTube
nothing useful. — What happens if you kill Toriel and then die to a...
Would Toriel have been one of the strongest bosses in Undertale if she actually wanted to defeat you? - Quora
Endings - Undertale Guide - IGN
When you only spare Toriel... (Genocide Run Spoiler) : r/Undertale
nothing useful. — I noticed that on a neutral run, if the player...
Undertale: Differences In Flowey Interactions Between Pacifist And Genocide Routes
Why Toriel Didn't Leave the Barrier and Kill Humans Herself : r/Undertale
nothing useful. — Leaving was Toriel's best option