Difference between revisions of "Damage formula"
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In general, damage can be calculated as <code>[(Base Damage) - (Damage Reduction)] * (Chance to hit)</code> over an action's given speed. | In general, damage can be calculated as <code>[(Base Damage) - (Damage Reduction)] * (Chance to hit)</code> over an action's given speed. | ||
| − | ===Base Damage=== | + | ===Base Damage<ref>not to be confused with weapons' base damage</ref>=== |
*'''[[Weapon damage]]:''' which covers damage calculation for player [[weapon]]s, [[unarmed combat]], and [[throwing]]. | *'''[[Weapon damage]]:''' which covers damage calculation for player [[weapon]]s, [[unarmed combat]], and [[throwing]]. | ||
*'''Spell damage:''' Most [[spell]]s, [[wand]]s, and monster abilities deal damage in [https://en.wikipedia.org/wiki/Dice_notation dice notation], and deal <code>nD( ([[Spellpower]] * multiplier / divisor) + constant)</code>. Spellpower is determined by skill (and for monsters, [[HD]]). Each spell has its own multiplier, divisor, and constant. See a spell's own page for more details. | *'''Spell damage:''' Most [[spell]]s, [[wand]]s, and monster abilities deal damage in [https://en.wikipedia.org/wiki/Dice_notation dice notation], and deal <code>nD( ([[Spellpower]] * multiplier / divisor) + constant)</code>. Spellpower is determined by skill (and for monsters, [[HD]]). Each spell has its own multiplier, divisor, and constant. See a spell's own page for more details. | ||
**Certain spells like [[Shatter]] may further be multiplied by external factors. | **Certain spells like [[Shatter]] may further be multiplied by external factors. | ||
**By default, spells check [[AC]] and [[EV]]. Some may ignore one or the other, or both. | **By default, spells check [[AC]] and [[EV]]. Some may ignore one or the other, or both. | ||
| − | *'''[[Poison#Poisoned Condition|Poison]]''' deals damage over time. The more poison you | + | *'''[[Poison#Poisoned Condition|Poison]]''' deals damage over time. The more poison you receive, the more the poison "stacks", and the faster you take damage. |
*Certain effects like [[Agony]], [[Torment]], and [[flay]] are percentages of your maximum health. | *Certain effects like [[Agony]], [[Torment]], and [[flay]] are percentages of your maximum health. | ||
Damage from monsters is unknown(?), but their maximum damage is displayed on examination. | Damage from monsters is unknown(?), but their maximum damage is displayed on examination. | ||
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| + | ---- | ||
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| + | <references /> | ||
===Other Factors=== | ===Other Factors=== | ||
Revision as of 21:01, 11 January 2023
- This page is a stub. You could probably expand this page should you wish to do so.
There isn't a single, general purpose damage formula, but different types of damage have different means of calculating damage.
In general, damage can be calculated as [(Base Damage) - (Damage Reduction)] * (Chance to hit) over an action's given speed.
Base Damage[1]
- Weapon damage: which covers damage calculation for player weapons, unarmed combat, and throwing.
- Spell damage: Most spells, wands, and monster abilities deal damage in dice notation, and deal
nD( (Spellpower * multiplier / divisor) + constant). Spellpower is determined by skill (and for monsters, HD). Each spell has its own multiplier, divisor, and constant. See a spell's own page for more details. - Poison deals damage over time. The more poison you receive, the more the poison "stacks", and the faster you take damage.
- Certain effects like Agony, Torment, and flay are percentages of your maximum health.
Damage from monsters is unknown(?), but their maximum damage is displayed on examination.
- ↑ not to be confused with weapons' base damage
Other Factors
- To-hit: Determines accuracy (chance to-hit) of an attack. Some attacks can't miss, which is an infinite to-hit.
- Weapon speed: Determines how fast you swing/fire a weapon or fists. Most spells have a delay of 1.0.
Damage Reduction
- Resistances reduce damage of a specific type. Player and monster resistances are not symmetrical.
- Armour class (AC) will reduce most attacks by (0 to AC) damage.
- Physical attacks in melee against the player are affected by guaranteed damage reduction (GDR), which increase the minimum AC roll.
- Evasion score (EV) determines how likely you are to dodge an avoidable attack completely. See Evasion#To-hit_versus_EV for formulas.
- Shield score (SH) determines how likely you are to block an attack completely. Melee attacks, ranged attacks, and certain projectile-like spells can be blocked. See Shields#Blocking for formulas
