I remember the music stuttering as the courtroom cursor blinked. You can feel the accusation settle—damage won’t win this one. I sat up, because the fight becomes a puzzle where evidence matters more than HP.
On Reddit and Steam threads the fight reads like a hot debate — How to complete the Yellow and Blue boss fight in Deltarune Chapter 5
I’ll be direct: this isn’t a standard boss test. You act as judge, not judge-ment, and you must solve four trials to stop Yellow and Blue. The trial becomes a scalpel, slicing through excuses.
Mechanics in a sentence: raise TP with Susie and Ralsei, gather evidences from Blue when needed, use Kris’ Act on Yellow to start trials, then present the right evidence to convict. If you want the clean run that reviewers and Steam guides praise, you’ll focus on timing and the right Acts. Reference community resources like GameFAQs, Reddit threads, and Moyens I/O screenshots if you want visual confirmation from runs by other players and creators, including notes from Toby Fox fans.
How do you beat Yellow and Blue in Deltarune Chapter 5?
You win by solving four cases, not by chipping away at HP. Raise TP so you can initiate trials—Susie and Ralsei’s Acts are your TP engines. Use Kris’ Act on Yellow to begin a trial when you have enough TP. If you don’t have the required evidences, target Blue with Kris’ Act to coax out items you need.
Practical rhythm: build TP, check your evidence list, pick the right suspect in each trial, present the matching item. If you follow that loop you’ll break the encounter’s momentum and force confessions.
What are the trial answers for Yellow and Blue in Deltarune Chapter 5?
In community guides the four cases are repeated like a checklist — The four cases and the exact answers
Case 1: Floradinn
Victim: Floradinn, reported crushed flat. Suspects: Aqua, Seth, Green, Yellow, Blue.
Answer: Seth is the culprit. Present the PerpBook as evidence—Seth always carries it and it ties her to the scene.
Case 2: Yellow (vandalized shirt)
Victim: Yellow says his favorite yellow shirt was vandalized.
Answer: Accuse Green. Use the tattered piece of the yellow shirt as evidence to prove Green did it.
Case 3: Green (missing handkerchief)
Before this trial you’ll need to request evidence from Blue. Green reports a stolen handkerchief; hear his statement to trigger the options.
Answer: Aqua is the perpetrator. Present the Red Splatter as evidence—she was experimenting to change the handkerchief’s appearance.
Case 4: Yellow (missing special petals)
Victim: Yellow again—this time his secret petals have vanished. Tensions spike and accusations fly.
Answer: Accuse Blue and present the Blue String. Blue admits the theft; Yellow’s revenge attempt backfires when his bullets are swapped with blue flowers, and he calls off the fight.
Practical tip: if you’re short on TP, alternate Acts from Susie and Ralsei until the meter tops out. If you lack evidence, use Kris’ Act on Blue first to gather the missing items. Yellow and Blue are a coiled spring ready to snap, so timing matters more than brute force.
When the four trials are solved, Yellow stands down and the encounter ends. You can then push deeper into Chapter 5 with the same momentum you used to close the courtroom.
So which confession do you think was the most believable, and which verdict would you have challenged?