Touhou Book of Star Mythology - Extra No-miss 1cc (Sanae-B)
Sanae-B is a shot type that strengthens upon death, so of course using it for a no-death run makes sense. hmmmmm.
Fuma's midboss nonspell's hexagram-formation star clusters are aimed at you.
Demon Performance "Narcolap Trap"
Weave left and right. The spell speeds up over time.
Inhumane Weapon "Homing Makibit"
Clusters of shuriken are shot at your position. The purple spell-circle familiars, as well as the demon hands, can be shot to deal damage.
Demon God "Magic Circle Furfur"
Everyone says to misdirect the hexagram of white orbs so that you can dodge just one layer of orbs, but once the yellow fireballs cloud the area, it doesn't really matter anymore. Don't be a wimp and just dodge.
Sengo's first nonspell has a laser spear thrust at you. This spear CAN kill, so don't be foolish. The arrowheads are in an elliptical formation, so staying near the spot the spear jabbed ensures you'll face the bullets at their sparsest.
Single Horseman "Sengo Muramasa's Opening Spear"
Sengo holds a laser spear on one of her sides. Fly to the OTHER side, and then slide into the gap between the layers of bullets that form when she dives down.
Sengo's second nonspell is similar to the first. Don't get spooked by the coins.
Summon "Ritual of the Ten Braves' Deployment"
Ten will-o-wisps pull off various attacks at you. The shuriken are always preceded by warning lines, and there's always at least one aimed at you.
Try to kill off the red and green will-o-wisps, because they drop a shit ton of annoying fireballs at you.
Sengo's third nonspell is similar to the first, just with more spears.
Shadow Decoy "Summer Siege of Yomotsu-Hirasaka"
The whole thing can be easily memorized.
Sengo's fourth nonspell is just simple micrododging. The coins appear to orbit about the point where their centre should be, but don't get spooked! They're small and docile.
Yuri "Unruly Noble Tether"
The golden kusarigama cover everywhere except the immediate area around Sengo, so circle around her while avoiding the chains of the kusarigama as they are released or reeled back in.
Don't get stabbed in the ribs by kunai coming from the side!
For the fifth nonspell, move from one side to another. Make a smooth sweep across the screen once the kunai form a clear path. Try not to panic - the kunai aren't very densely-packed anyway.
Miyoshi "Pincer Attack! Double Sacrilegious Nyuudou!"
The initial laser blast CAN suffocate you to death, so memorize the possible layouts if you must.
Sweep from one side to another while following the cage of lasers. Prioritise movement - you can get lucky and squeeze through the kunai, but if a laser smashes into you you're toast.
For the sixth nonspell, a horizontal-ish path will be formed by the kunai after a while. Wait for your chance to move away.
Water Stratagem "Higan River Deluge"
Just, uh, go with the flow, I guess. Starting on the middle-right seems to work quite well.
Don't move up too much, lest the bubbles smash your face off.
(Continued in comments)
1st video - Lunatic 1cc (Marisa-B)
https://youtu.be/TltzLQy2vhA
2nd video - Extra No-miss 1cc (Sanae-B)
https://youtu.be/QwtWCIA6d2Q
3rd video - various spell cards that weren't properly shown, including difficulty and character variations
https://youtu.be/eCbQm1x6cko
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