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Chapter 5 Post-Launch: Lore Discussions and Easter Eggs
2026/06/28

Chapter 5 Post-Launch: Lore Discussions and Easter Eggs

A few days after Chapter 5's release, the community is diving deep into character developments, Susie's shift in attitude, and spotting hidden Undertale references during the festival.

The dust has settled from the initial launch day rush of Chapter 5, and the community at r/Deltarune has shifted from finding secret bosses to analyzing the deeper lore, character arcs, and Easter eggs hidden throughout the new chapter.

Here is a roundup of the most interesting discussions and discoveries from the past few days.

Susie's Character Shift

One of the most heavily debated topics right now is the stark contrast in Susie's behavior between the end of Chapter 4 and Chapter 5. As pointed out in a popular discussion thread, Susie's focus seems to have completely changed.

At the end of Chapter 4, Susie was heavily invested in rebelling against the Prophecy ("The Prophecy sucks ass and I'm not gonna let it happen") and urgently wanted to access the shelter. However, in Chapter 5, players have noted she spends 90% of the chapter seemingly ignoring the shelter codes and Undyne. Instead, she's seen wearing ribbons, falling in love, and inadvertently fulfilling the very Prophecy she swore to fight against.

Is this Toby Fox showing us how inescapable the Prophecy is, or is there a deeper reason for Susie's sudden change of heart?

Berdly's Surprising Role

Despite limited screen time in this chapter, Berdly has been racking up praise from the community for being a surprisingly good ally.

Following the events of Noelle and Susie's date, Berdly demonstrates remarkable boundary-respecting behavior. While he still has his classic habit of inserting himself into situations a bit too much at the very end, players are appreciating that his heart is genuinely in the right place, solidifying his character growth since Chapter 2.

The Mew Mew Easter Egg

On the lighter side of discoveries, eagle-eyed players have spotted a fantastic Undertale reference during the Chapter 5 festival sequence.

If you look closely at Asgore's truck during the festival, you can spot a small action figure resting on it—it's none other than Mew Mew from Undertale! It's a small, cute detail, but it's exactly the kind of world-building continuity that fans love to find.

What other secrets have you found in Chapter 5? The community is still digging, and we expect even more discoveries to surface in the coming weeks.

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Susie

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Susie's Character ShiftBerdly's Surprising RoleThe Mew Mew Easter Egg

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