Uploaded June 2025 | Updated September 2026, 2 weeks ago

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Outside of The Roaring Knight I would say this is the hardest secret boss to no-hit specifically. Snowgrave Spamton NEO could be made harder if you add restrictions like "No TP Usage" and "No Charged Shows" together, but that isn't really worth counting.

There's only 3 hard attacks in this fight (The shell one, the raining hammers, and the Undyne attack two attacks after those two), but despite that it can be quite hard to consistently do them in a row, especially since you have to do the hammer one a second time later with a lot of nerves. Also the nerves after the second hammer attack are really hard to play with, as you can see in my final attack fail lol.

I'd like to thank @greg_guyy for making me a little mod that allowed me to quickly game over so I could do attempts faster, preventing a lot of downtime between attempts!

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[Timestamps]
0:00 - Session Fails
1:05 - Old Man Gerson
5:40 - Post-Fight

[Links]
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