Undertale Adventures X Raids
Undertale Adventures X raid guides for every act, from Raid Act 1 to the Last Judgement and the Corridor Dust Sans boss.
What are Undertale Adventures X Raids?
Raids are Undertale Adventures X's boss-focused challenge content across three acts, ending in the Last Judgement. Each act pairs your team against boss mechanics like the Corridor Dust Sans fight that demand focused team building.
Why prepare for raids?
Beat Every Act
Walk into Act 1, Act 2, and Act 3 with the right units already placed.
Down the Bosses
Learn the Last Judgement and Corridor Dust Sans patterns before they wipe your team.
Solo Flex
Solo raid routes for players who want the challenge without a full lobby.
Featured & Essential
Corridor Dust Sans Boss: Fight Prep & Win Strategy
Prepare for the Undertale Adventures X corridor dust sans boss with team setup, unit roles, trait picks, and phase-by-phase defense tips.
Undertale Adventures X Last Judgement Raid: Raid Guide & Team Setup
Learn how the Undertale Adventures X Last Judgement raid works, including unlock steps, wave strategy, unit roles, and team setup tips for co-op play.
All Raid Guides
Undertale Adventures X Raid Act 1: Walkthrough & Team Tips
Learn how to clear Undertale Adventures X Raid Act 1: unlock requirements, wave strategy, recommended units, trait priorities, and boss counter tactics.
Undertale Adventures X Raid Act 2: Walkthrough & Team Setup
Learn how to clear Raid Act 2 in Undertale Adventures X: unlock conditions, team roles, unit placement, upgrade order, and reward planning tips.
Raid Act 3: Best Teams & Clear Strategy Walkthrough
Learn how to clear Undertale Adventures X Raid Act 3 with recommended team roles, placement tips, upgrade priorities, and reward planning.