Hotlands is the fourth major area of Undertale, following on from the Undyne ... Walk through the orange ones, then stand still to let the blue ones pass over you, and use the switch at the ...

The Core is one of the final areas of Undertale, following on from exploring the Hotlands. The following ... and they'll actually be blue, blue, orange so let the first two pass through you ...

After making your way through Waterfall you can finally start on the Hotlands. You will need to ... Instead, they'll be blue, blue, then orange, so stay still until the last laser.

This page will take you through a Pacifist run (not killing anyone) for the The Core area in Undertale. After making your way through Hotlands and ... North towards the blue exit where she ...