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Deltarune Chapter 3 secret boss guide

How do I find the Deltarune Chapter 3 Shadow Mantle?

Deltarune Chapter 3 secret boss: A screenshot of Kris getting the shelter key

Go to the shelter

Return to the Green Room after exiting the minigame to activate the third phase. Collaborate with Susie and Ralsei in the minigame, descending through a maintenance hatch to encounter Toriel from Undertale. Follow her guidance to access the shelter using the Shelter Key.

Ensure available armor slots before confronting the final adversary. Prioritize evasion during the Shadow Mantle encounter, striking strategically once openings appear. After victory, assign the Shadow Mantle to Susie’s equipment.

Get S-rank on the second board

After securing the Ice Key, replicate the S-rank process for the second board. Re-enter the minigame via backstage and defeat numerous foes to strengthen capabilities. Locate a raft and navigate upward to pale terrain marked by a Delta Rune emblem.

Within the temple interior, acquire the White Cloak to transform attacks into fiery projectiles. Advance through the area until encountering a secured portal. Utilize the Ice Key to enter the chamber housing the Shelter Key.

Get S-rank on the first board

Attain top-tier performance on the initial board to unlock restricted areas in the Green Room. Interact with the NPC to gain minigame console access. Progress through sword upgrades until capable of slicing obstacles like cacti and timber.

Return to arid zones to remove vegetation, eventually breaching boundaries. This path leads to discovering the Ice Key within altered terrain parameters.

How do I beat the Deltarune Chapter 3 secret boss?

Deltarune Chapter 3 secret boss: A screenshot of the S-rank room

Success against the Roaring Knight demands possession of the Shadow Mantle. This artifact nullifies the boss’s insta-kill capabilities. Seam previously hinted at its necessity during Chapter 2 but couldn’t provide it.

Notably, offensive actions remain mandatory regardless of pacifist playstyle. The objective involves weakening the Knight’s blade rather than causing fatal harm, preserving nonviolent principles.

What rewards does the Deltarune Chapter 3 secret boss drop?

Deltarune Chapter 3 secret boss: Kris, Susie, and Ralsei facing off against the Roaring Knight

Victory yields a Shadow Crystal and Black Shard. The crystal serves as crucial inventory material, mirroring earlier chapter rewards. The shard functions as Kris’s weapon, delivering amplified damage against shadow-aligned foes when equipped.

Who is the Deltarune Chapter 3 secret boss?

The Roaring Knight serves as Chapter 3’s hidden antagonist. While initially presented as an unwinnable encounter post-Tenna, strategic preparation enables players to challenge them properly. This alternate confrontation unlocks exclusive benefits despite appearing during standard narrative progression.

In contrast to earlier chapters, Deltarune’s third installment positions its clandestine adversary within obvious narrative beats. Our investigation reveals essential strategies for overcoming this formidable opponent and securing exclusive prizes.