Mechanic · progression · platformer, action

Whip upgrade

A pickup or purchase that lengthens or strengthens the main weapon, one level at a time or straight to a level.

stubAlso: whip level, morning star, chain whip, weapon upgradeUpdated 2026-10-21
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A whip upgrade raises the level of the main weapon. Castlevania drops one only while Simon holds enough hearts for his whip level, and each one raises the level by 11. Simon’s Quest sells whips instead, and a bought whip sets the level outright2.

See also

Games

GameYearHowNote
Castlevania1986Droppeda whip upgrade drops only while Simon holds enough hearts
Castlevania II: Simon's Quest1987Boughtmerchants sell whips, and a bought whip replaces the old one outright
Every claim about this mechanic, by game (2)
Castlevania 1986In Castlevania the routine that picks a dropped bonus gives a whip upgrade only while no other special item is out, and only while Simon holds at least 4 hearts with the first whip or at least 8 with the second; otherwise it drops a small random bonus. Picking one up raises the whip level by 1.Code
Castlevania II: Simon's Quest 1987Simon's Quest sells whips; a paid merchant deal whose index is $18 or above sets the whip level outright from the item, where Castlevania raises it one level per whip that a bonus drops.Code

References

  1. ^ abIn Castlevania the routine that picks a dropped bonus gives a whip upgrade only while no other special item is out, and only while Simon holds at least 4 hearts with the first whip or at least 8 with the second; otherwise it drops a small random bonus. Picking one up raises the whip level by 1.Code“Castlevania (USA) (Rev 1)”
    How we know

    In the cartridge (“Castlevania (USA) (Rev 1)”): bank 7 $EBC3-$EBEE: hearts ≥ 8 and whip level ($70) < 2, or hearts 4–7 and level < 1, spawn bonus type 3 (SpawnWhipUpgrade); else type 0 or 1 by a random bit; bank 7 $E88E-$E8A4, WhipAcquired, which ends with inc $70. We don't reproduce the bytes.

    Checked against the evidence by its author, an AI model, 2026-10-21.

    Checked by a second AI model, 2026-10-21.

    In the claim ledger

  2. ^ abSimon's Quest sells whips; a paid merchant deal whose index is $18 or above sets the whip level outright from the item, where Castlevania raises it one level per whip that a bonus drops.Code“Castlevania II - Simon's Quest (USA)” · “Castlevania (USA) (Rev 1)”
    How we know

    In the cartridge (“Castlevania II - Simon's Quest (USA)”): bank 7 $ED9E-$EDA3, after the hearts are paid, item $18 and up branch to $EDED; bank 7 $EDED-$EDFD: whip level $0434 = (item AND $1F) − 7. We don't reproduce the bytes.

    In the cartridge (“Castlevania (USA) (Rev 1)”): Castlevania's drop rule (castlevania-line/whip-drop). We don't reproduce the bytes.

    Checked against the evidence by its author, an AI model, 2026-10-21.

    Checked by a second AI model, 2026-10-21.

    In the claim ledger

Sources

Code