

Sir Kain Battle
5.0(1)
Undertale
AU
Sir Kain Battle | Black Cat Knight Demands Your Soul
Game Overview
Released:August 5, 2025
š® Controls: Arrow keys to move your SOUL, Z to continue, X to return
āļø Combat System: Classic FIGHT, ACT, ITEM, and MERCY options from Bad Time Simulator
š¦ Dual Inventory: Page 1 and Page 2 items including Hot Cat, Bisicle, Hot Dog, Unisicle
ā ļø Combat Warning: Kain attacks continuously, even during menu selection!

Enter a chilling encounter where 'A black cat knight demands your soul!' Sir Kain, the arrogant feline warrior, dismisses your efforts with contempt. Experience this unique Undertale-style boss fight featuring medieval weaponry, strategic combat options, and a knight who remains unmoved by mercy attempts.
When Arrogance Meets Determination
Sir Kain embodies pure disdain for your efforts. As you face his attacks, 'Kain yawns, waiting for your futile action.' This boss fight captures the essence of facing an opponent who sees you as beneath notice. Unlike traditional Sans battles, Kain's medieval arsenal includes sword strikes, tracking bombs that chase your SOUL, and blade projectiles, creating a unique challenge within the familiar Undertale combat framework.

Facing an Unmerciful Knight
Learn to survive against a foe who shows no patience for weakness and punishes hesitation with blade and bomb!
1
Combat Mechanics and Timing
Sir Kain's battle introduces constant pressure tactics:
- ā¢ā” Continuous Assault: Kain attacks even while you're selecting menu options
- ā¢š”ļø Sword Strikes: Sharp blade attacks requiring quick reflexes
- ā¢š£ Tracking Bombs: Lit bombs that chase your SOUL, requiring constant movement to avoid
- ā¢šÆ Projectile Barrages: Multiple blade projectiles in complex formations
2
Survival Strategy and Item Management
Overcome Kain's relentless offense through careful resource management:
- ā¢š Healing Efficiency: Different items provide varying HP recovery - choose wisely based on your current health situation
- ā¢š ACT Attempts: Explore different actions to understand Kain's personality
- ā¢š Mercy Reality: Choosing MERCY triggers his response: 'Stop wasting my time YOUR SOUL .NOW!!'
- ā¢āļø Stay Mobile: Keep moving while navigating menus to avoid his persistent attacks
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