Touhou 12: Undefined Fantastic Object - Extra Stage (No-Miss, No-Bomb, No-Ventora)
Mostly a formality since NV here isn't hugely impactful compared to just ExNN, but now I can say I've perfected all the Windows Extra Stages with full standard survival conditions, including PoFV and GFW.
Something I didn't know during my previous ExNN was that MarisaA's unfocused lasers do more damage than the focused ones, and by shooting unfocused at first and then focusing afterwards, the higher unfocused laser damage carries over to your focused lasers. Pretty neat for squeezing out some bonus DPS.
Relatively tricky (but fun) stage portion, but MarisaA's high damage and piercing helps a lot. Dodging the tokens for the NV condition was pretty annoying though and I ended up bottomhugging most of the stage to avoid them.
Kogasa is a pretty difficult Extra midboss, one of the hardest IMO. Her first spell can give you some unfortunate situations sometimes, and jellybean hitboxes + Marisa's large hitbox is not a good combination. Second spell is just hard, but her final spell is actually pretty easy if you move in the same direction as the lasers when they're slowing down, that way you can easily keep yourself within a laser lane.
Nue is quite easy overall, although I can see her UFO cards being particularly nasty if you're using a shot that can't destroy the UFOs quickly enough.
Main threats for MarisaA are just the timeout and Grudge Bow.
The last few seconds of the timeout are pretty spooky with Marisa's hitbox, and Grudge Bow is one of the hardest Extra boss finals. I would place it a bit below Pristine Beat and Q.E.D., but it's still pretty high up there.
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At present, Ripper Roo has 222 views spread across 8 videos for Undefined Fantastic Object, with the game making up 1 hour of published video on his channel. This is 1.92% of the total watchable video for Undefined Fantastic Object on Ripper Roo's YouTube channel.