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Guide · Latent Duality FBD 13

Latent Duality FBD 13, one honest wipe

Latent Duality — Palme's track for Arc 1 of In Falsus — hides a FORBIDDEN 13 tier, and this page teaches it with one complete filmed run: Kyrosol's 3:25 chart view that ends the way most first attempts do, DIVE FAILED at 005'223'993 with the miss gauge spent. Twelve steps walk from the select screen to the result card — the dead-air opening, the BREAK-tagged waves, the twin holds frozen at 003'311'639 — and each still deep-links to the moment it shows.

SongLatent Duality — Palme
DifficultyFORBIDDEN (FBD) 13 · MIN 4 / EVO 7 / ULT 11 · 2,144 notes
Filmed run (Kyrosol)DIVE FAILED · 005'223'993 · grade D · 112 EXACT / 0 NEAR
On the result cardMISS GAUGE 15 · HIGH SCORE 076'680'496 · ENCOUNTER 000'005'588 FAILED

Sources

Screenshots are frames from Kyrosol's complete FBD 13 chart view credited above; the video carries no commentary captions, so every figure quoted here is read off the game's own HUD and result card. Each step deep-links to the matching moment of the video.

Know the chart before you dive

  1. 1

    Read the select screen first

    The hub lists Latent Duality by Palme under The First Lie arc, with MIN 4 / EVO 7 / ULT 11 to the left of the red FBD 13 tab — a 6-KEY chart. The card already carries a best mark of 076'680'496, grade D, DIVE FAILED, and a CONNECT encounter called Path Without Ambition sits underneath (the upload is tagged Arc 1 spoilers). Read it as a warning label: this tier is chipped at, not farmed.

    In Falsus song select showing Latent Duality by Palme with the FBD 13 tab lit under The First Lie arc
    FBD 13 selected · The First Lie arc · the best mark is still a D.Watch the source clip

Opening: dead air, then the first BREAKs

  1. 2

    Give the dead air a job

    The chart opens on an empty field with the score parked at 000'000'000 — the first wave arrives late. The six lanes are labelled Shift, A, S, D, F and Space, and a lone violet triangle pad waits on the left. Spend the intro settling onto the home keys, because FBD 13 never hands back this much room.

    Empty In Falsus lanes wait at 000'000'000 before the first note of Latent Duality's FBD 13 chart
    000'000'000 — free setup time before the first wave.Watch the source clip
  2. 3

    Meet the first BREAK wave

    Scoring opens as a cyan hold beam drives sparks onto the left lanes, the counter crossing 000'466'428 while red BREAK tags mark the wave's heavy notes across S, D and F. BREAK is the game's red flag — these notes score big and punish big, and FBD 13 salts every section with them.

    First sparks of the run land at 000'466'428 as a cyan hold beam meets three BREAK notes in In Falsus
    000'466'428 — the first BREAK tags are already on the line.Watch the source clip
  3. 4

    The title gimmick: split your hands

    A minute in, the chart states its theme — a violet beam floods the left lanes while a pink beam floods the right, five BREAK labels waiting between them at 000'979'499. Neither side releases while the inner lanes keep working. From here on, Latent Duality tests how independently your two hands can read.

    Violet and pink beams split the six In Falsus lanes under five BREAK labels at 000’979’499
    Violet left, pink right — five BREAK labels at 000'979'499.Watch the source clip

Midchart: slabs, clusters and the twin holds

  1. 5

    Thin traffic is not safe traffic

    Past the chart's first half the field breathes: yellow triangle flicks and small glass slabs fall toward four BREAK tags at 001'492'570. Sparse stretches are where FBD charts set their traps — every note is readable, but each BREAK among them is a gauge risk you cannot cash.

    Yellow triangle flicks and glass slabs fall toward four BREAK tags at 001’492’570 in In Falsus
    001'492'570 — four BREAK tags share a quiet line.Watch the source clip
  2. 6

    Take wide slabs through the center

    A wide cyan slab drops toward D while an EXACT fades on the left and the HUD reads 002'329'516. Slabs judge across several lanes at once, so aim the group's center at the line instead of chasing edges — one clean catch pays for the whole gesture.

    EXACT judgment fades beside a wide cyan slab at 002’329’516 in In Falsus Latent Duality FBD 13
    EXACT beside a cyan slab at 002'329'516.Watch the source clip
  3. 7

    Let the hold hand off to the cluster

    A long cyan hold stretches from the top of the field down to the line, feeding a cluster of four BREAK notes at 002'611'234. The play is a relay: hold through the body, release on the tail, and move the freed fingers straight onto the cluster — never both at once.

    One long cyan hold feeds a cluster of four BREAK notes at 002’611’234 in In Falsus Latent Duality
    002'611'234 — the hold's tail hands off to four BREAKs.Watch the source clip
  4. 8

    The twin holds: left side first

    Then the centerpiece. A white-violet beam floods Shift, A and S while the score stands frozen at 003'311'639 — the midchart's long twin-hold stretch has begun. Nothing needs chasing here; the test is holding a steady weight in the left hand while the eyes run ahead to the right half.

    A white-violet hold beam floods the left lanes while the In Falsus score stands frozen at 003’311’639
    The score stands at 003'311'639 — the left hold carries the section.Watch the source clip
  5. 9

    The twin holds: right side answers

    Seconds later the pink twin holds D, F and Space at the same frozen 003'311'639. Across both frames the HUD adds almost nothing — the stretch is quiet on the surface, which is exactly why tired hands drop hold tails here. Sit through it; the chart pays out right after.

    The pink twin hold carries the right lanes at the same frozen 003’311’639 in In Falsus
    Pink over D, F and Space at the same 003'311'639.Watch the source clip

Endgame: the glide, the banner, the card

  1. 10

    Ride the last glide, count what's left

    Past 004'104'566 a magenta beam rides the Space lane through four BREAK labels — about a million points from where this run ends. The chart's final pages alternate glides and BREAK clusters, and what usually decides them is not the fingers but the miss gauge.

    Late in the chart a magenta beam rides the Space lane past four BREAK notes at 004’104’566 in In Falsus
    004'104'566 — the magenta glide, four BREAKs on the line.Watch the source clip
  2. 11

    Where the run actually dies

    The banner drops DIVE FAILED with the score locked at 005'223'993 — not at the chart's final note, but on the miss gauge, whose red box reads 15. A CONNECT FAILED callout follows seconds later. That is the lesson: FBD 13 ends runs early, and once the gauge empties, the finale is out of reach.

    DIVE FAILED banner across the In Falsus field with the Latent Duality score locked at 005’223’993
    MISS GAUGE 15 — the dive ends at 005'223'993, before the finale.Watch the source clip
  3. 12

    Read the failed card anyway

    The DIVE RESULT card closes the film: EXACT 112, NEAR 0, BREAK 2035, grade D, MAX LINK 2 — beside a HIGH SCORE of 076'680'496, a DIFFERENCE of +071'456'503, and an ENCOUNTER RESULT of 000'005'588 FAILED. Two thousand BREAKs against 112 EXACTs is not a verdict; it is the practice order. Clean the early BREAK tags first and the card rewrites itself.

    Every judgment on the In Falsus DIVE RESULT card: EXACT 112, NEAR 0, BREAK 2035, grade D, DIVE FAILED at 005’223’993
    EXACT 112 · NEAR 0 · BREAK 2035 — a D card that doubles as a to-do list.Watch the source clip

FAQ

How hard is Latent Duality FBD 13 in In Falsus?

It is the FORBIDDEN tier of an Arc 1 song — MIN 4, EVO 7 and ULT 11 sit below it, and the Miraheze song list counts 2,144 notes on the FBD chart. The filmed run here never reaches the result screen alive: it dies on the miss gauge at 005'223'993 with 2,035 BREAK judgments logged. Treat FBD 13 as a wall you chip at — the select screen's own best mark was still a D.

Is the run on this page a clear?

No, and that is the point of it. Kyrosol's dive ends DIVE FAILED at 005'223'993 — grade D, EXACT 112, NEAR 0, BREAK 2035, MISS GAUGE 15 — and every still on the page comes from that honest attempt. A failed card still teaches: it shows where the gauge died, what the score ceiling looked like, and how far the finale sits from a first serious reach.

What are the red BREAK tags on the lanes?

They mark the chart's heaviest notes. On the result card BREAK is the judgment row you never want populated, and this run filled it 2,035 times against 112 EXACTs — which is why the score sits at 005'223'993 while the card's HIGH SCORE line reads 076'680'496. Clearing BREAK tags is the fastest way to move any FBD score.

Why does the score freeze at 003'311'639 mid-chart?

That stretch is the chart's signature: two long holds, one flooding the left lanes in white-violet, one answering on the right in pink. The HUD barely moves while both beams sustain, so the freeze in the film is the holds being held, not the run stalling. Use it as a breathing beat — and know it as the place tired hands most often drop a tail.

Does Latent Duality spoil In Falsus's story?

Lightly. The song belongs to Arc 1: The First Lie, Kyrosol's upload is tagged Arc 1 spoilers, and the select screen bolts a CONNECT encounter — Path Without Ambition — onto the FBD dive, tying the chart to that story layer. If you are story-first, clear the earlier arcs before reading encounter pages; the walkthrough itself stays mechanical.

Written for infalsustips.com from our own demo testing and community research. Fact-checked against: In Falsus Wiki (Miraheze) (CC BY-SA 4.0) · In Falsus Wiki (Fandom) (CC BY-SA)

Data reflects demo v0.3.1 · being re-verified on 1.0 · Unofficial fan site — In Falsus © lowiro