Undertale Walkthrough, Part Three: Waterfall Guide - ArrPeeGeeZ
https://www.arrpeegeez.com/2015/10/undertale-walkthrough-part-three.html
WEBWaterfall - Enemies. Whether you defeated, spared, or even dated Papyrus, your next destination to the east is clear: The soaking depths of Waterfall, the third major area in Undertale. The enemies get tougher in Waterfall, so you may want to trek back to Snowdin Town and grab a few healing items before you head too deep into unfamiliar territory.
DA: 94 PA: 13 MOZ Rank: 8