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*If calculated damage is less than 1, then:
 
*If calculated damage is less than 1, then:
 
::'''''Damage = 1'''''
 
::'''''Damage = 1'''''
  +
  +
===[[Experience]] growth===
  +
*Total required experience to reach certain level is
  +
::'''''EXP = floor(0.3 x (Level)⁴ + 1.8 x (Level)³ + 3.3 x (Level)² + 0.6 x (Level-1)² + 184.8 x Level - 0.6)'''''
   
 
==''[[Castlevania: Aria of Sorrow]]''==
 
==''[[Castlevania: Aria of Sorrow]]''==

Revision as of 20:55, 11 October 2019

These are some of the equations that affect various role playing game parameters in some Castlevania titles, particularly the metroidvania genre.

Castlevania: Circle of the Moon

Damage calculation

Attacking enemies

To calculate damage inflicted to enemies, we need to calculate the power of the attack.

  • If it's a physical attack (whip attack, slide or tackle), then:
Power = STR + DSS enhanced STR
Power = STR x STR rate
  • If it's a DSS attack, then:
Power = STR + DSS enhanced STR
Power = Power x DSS power
(Example: Diana + Cockatrice combination)
  • If it's a DSS attack with a constant modifier, then:
Power = DSS power
(Example: Diana + Salamander combination)
  • Damage inflicted to an enemy is:
Damage = (Power x Power) / (10x Enemy Defense)
  • If the enemy is resistant to the element:
Damage = Damage / 2
  • If calculated damage is less than 1, then:
Damage = 1

Damage taken from enemies

  • The power from enemies attack is:
Power = Enemy STR x Attack modifier
Where in most cases, body contact has an attack modifier equal to 1.
  • Damage received from an enemy is:
Damage = (Power x Power) / (10x Defense)
Damage = Damage x 4
  • If calculated damage is less than 1, then:
Damage = 1

Experience growth

  • Total required experience to reach certain level is
EXP = floor(0.3 x (Level)⁴ + 1.8 x (Level)³ + 3.3 x (Level)² + 0.6 x (Level-1)² + 184.8 x Level - 0.6)

Castlevania: Aria of Sorrow

Damage calculation

Attacking enemies

Note that in this section, stone, poison, and curse are not considered as an element. An attack is considered effective if at least one of the element is effective. An attack is resisted if the attack has at least one element, all element beside Sword element is resisted, or if the attack only has Sword element, it's resisted.

  • If jump kick:
Power = STR x 1/2
  • If slide:
Power = STR x 15/16
  • If Weapon or hand combat:
Power = ATK
  • If Bullet Soul:
Power = STR x Soul AP
Power = Power / 10
Power = Power + INT/4
Power = Power + 6x Soul AP
Power = Power / 16
  • If Guardian Soul:
Power = Soul AP/8
Power = Power x INT/2
Power = Power + Soul AP
Power = Power x 4/5
  • If weapon has half damage effect (such as Handgun):
Power = Power/2
  • If enemy is being petrified (enemy is weak against stone, and has not been petrified yet):
Power = 0
skip other status effect
  • If enemy is poisoned:
Enemy DEF = 0
  • If enemy is vulnerable to curse and is attacked with curse type attack:
Power = Power + Enemy HP/4
  • If enemy is vulnerable to HP/MP swap, and has not been swapped yet:
Swap HP and MP
  • If the only effective element is Sword element:
Power = Power + Power/4
  • If at least one element beside Sword element is effective:
Power = Power x 2
  • If the attack is resisted:
Power = Power - Power/2
  • Damage Formula:
Damage = (Power - Enemy DEF/2) x (256 - Enemy DEF)/256
  • If calculated damage is less than 1:
Damage = 1
  • If enemy is petrified
Damage = Damage x 2

Damage taken from enemies

  • If it's an enemy attack:
Power = Enemy STR x Attack modifier
  • If it's spike damage:
Power = (3 x (DEF - CON/2)) / 4 (DEF is calculated before Basilisk's soul bonus)
Power = Power + Max HP/16
  • If it's damage from the moving floor trap (like the one in Study):
Power = (3 x (DEF - CON/2)) / 4 (DEF is calculated before Basilisk's soul bonus)
Power = (Power + Max HP/16) / 3
  • Damage formula (Normal Mode):
Damage = 2x Power - DEF
  • Damage formula (Hard Mode):
Damage = (3 x (DEF - CON/2)) / 4 (DEF is calculated before Basilisk's soul bonus)
Damage = (Damage + Max HP/16) / 2
Damage = (Damage + 5x Power - 2x DEF) / 2
Damage = Damage x 2
  • If strong against the element:
Damage = Damage / 2

Status modifier

Poison

STR = STR/4
CON = CON/4
INT = INT/4
STR = STR + ((STR/8) x 3)
CON = (CON/8) x 11
INT = (INT/8) x 11
  • Poisoned Enemy
STR = STR - STR/4
DEF = 0

Drop rate

Soul drop rate

The formula will not be executed in Julius Mode or if the rarity of the soul is 0. Note that souls with 100% chance are gathered through event.

  • If it's normal mode:
Chance = 6
  • If it's hard mode:
Chance = 7
  • If the soul has been captured previously:
Chance = 3
Chance = Chance + 8
  • Rarity = (Soul Rarity x8) + 32 - (LCK/16)
If Rarity is less than 16, set Rarity = 16
  • Chance of getting enemy's soul
Chance = Chance/Rarity

Item drop rate

The formula is calculated if the soul from previous calculation isn't acquired. Julius Mode skip this.

Chance of common drop = 3/4
Chance of rare drop = 1/4
Chance of common drop = 5/8
Chance of rare drop = 3/8
  • If enemy has no item on the selected (either common or rare) slot:
No item dropped
  • Item rarity
Rarity = drop rarity (depends on the slot)
Rarity = (Rarity x4) + 16 - (LCK/16)
If Rarity is less than 16, set Rarity = 16
Chance = 4/rarity
Chance = 8/rarity

Gold drop rate

The formula is calculated if Soma hasn't got anything from previous steps. Julius Mode skip this.

  • If enemy doesn't have any dropped item:
No Gold dropped
Chance = 1/128
Chance of getting $1, $10, $50, and $100 is equal (1/4 Chance).
Chance = 1/16
Chance of getting $100, $500, $1000, and $2000 is equal (1/4 Chance).

Heart drop rate

The formula is calculated if Soma hasn't got anything from previous steps. Julius Mode skip this.

  • If enemy doesn't have any dropped item:
No Heart dropped
Chance = 1/128
Chance = 1/16
  • Chance of getting heart:
Chance of getting a small heart is 3/4 Chance
Chance of getting a large heart is 1/4 Chance

Experience growth

  • Total required experience to reach certain level (beyond level 1) is
EXP = Level x (Level + 1) x ((3x Level) + 8)
or
EXP = 3 x (Level)³ + 11 x (Level)² + 8 x Level
  • As a result, starting a new game over a completed save file will let Soma start with 22 EXP.
Castlevania: Circle of the Moon
Characters
Protagonist

Nathan Graves

Supporting cast

Morris BaldwinHugh Baldwin

Antagonists

CamillaDracula

Bosses

CerberusNecromancerIron GolemAdramelechDragon ZombieDeath

Areas

Sealed RoomCatacombAbyss StairwayAudience RoomTriumph HallwayOuter WallMachine TowerEternal CorridorChapel TowerUnderground GalleryUnderground WarehouseUnderground WaterwayObservation TowerCeremonial RoomBattle Arena

Music

AwakeProof of BloodFate to DespairCastlevania: Circle of the Moon and Castlevania: Harmony of Dissonance Original Soundtrack

Guides

NTT Pub Official GuideShinkigensha Official Guide

Archives

BestiaryInventoryIn-Game FormulaMagician ModeFighter ModeShooter ModeThief Mode

Castlevania: Aria of Sorrow
Characters
Protagonists
Soma CruzMina HakubaJ./Julius BelmontYoko BelnadesGenya Arikado (Alucard) • Hammer
Antagonist
Graham Jones
Bosses
Creaking SkullManticoreGreat ArmorBig GolemHeadhunterDeathLegionBaloreGrahamBelmontChaos
Areas
Castle CorridorChapelStudyDance HallInner QuartersFloating GardenClock Tower
Underground ReservoirUnderground CemeteryThe ArenaTop FloorForbidden AreaChaotic Realm
Music
Castlevania: Aria of Sorrow & Castlevania: Dawn of Sorrow Original Soundtrack
Guides
Futabasha Official GuideNTT Pub Official Guide
Archives
BestiaryInventoryIn-Game FormulaJulius ModeVoice Translations