Deltarune Chapter 4 is one of the more lore heavy parts of the game, and there are a ton of secrets to discover in between the main story beats.

After the cutscene, SAVE your game! Now jump down to encounter some more soldiers. These guys should be simple to eliminate, so get to it! After that’s done, go down the alley to Twin Serpents Plaza.

It involves 4chan, of all places.