Discover the hardest Deltarune boss fights ranked! From Spamton NEO to the Roaring Knight, explore the epic battles fans love (and fear) the most in this ultimate ranking.

Alongside X-Slash, you'll find FriedPipis which restores 120 HP and is great for emergency heals. During Spamton NEO's attacks, your heart will turn yellow and you'll be able to shoot bullets from it.