Difference between revisions of "Racial Spell Cost Modifier"

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== Effective Mana ==
 
== Effective Mana ==
−
Note that the following shows the spell cost modifier. We can define the ''effective mana'' as the mana a human would need to cast the same amount as a particular race. If x is the racial spellcost modifier (in percentage), then the effective mana is 100 / (100 - x).
+
Note that the following shows the spell cost modifier. We can define the ''effective mana'' as the mana a human would need to cast the same amount as a particular race. If x is the racial spellcost modifier (in percentage), then the effective mana is 100 / (100 + x).
  
−
For example, a 25% spellcost reduction for sprite translates into 33% more effective mana.
+
For example, a -25% spell cost modifier for sprite translates into 33% more effective mana.
  
 
Effective mana is the more directly useful notion, since finally, that's what determines how much you can cast.
 
Effective mana is the more directly useful notion, since finally, that's what determines how much you can cast.
  
 
== Worship ==
 
== Worship ==
−
The effect of worship on spellcost is multiplicative. For example, a bhyss sprite will have spellcost reduced by 10% x 75% = 7.5%. So, its spellcost modifier is -(25 + 7.5)% or roughly -33%.
+
The effect of worship on spellcost is multiplicative:
 +
 
 +
racial-modifier * (1 + worship-modifier) = cost-modifier
 +
 
 +
Bhyss (-10%) Sprite (75% normal cost):
 +
0.75 * (1 + -0.1) = 0.675, which is 67.5% of regular cost - a 32.5% reduction.
 +
Werredan (+10%) Minotaur (125%):
 +
1.25 * (1 + 0.1) = 1.375, a 37.5% increase in cost, driving for example Foci from 400 to 550.
  
 
== The values ==
 
== The values ==
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|- align="center"
 
|- align="center"
 
| style="background-color:#ffaaaa;" | Bad
 
| style="background-color:#ffaaaa;" | Bad
 +
|- align="center"
 +
| style="background-color:#ff6666;" | Absurd
 
|}
 
|}
  
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Draconian]]
 
| style="background-color:#efefef;" | [[Draconian]]
−
| none
+
| 0
−
| none
+
| 0
 
| style="background-color:#ffffbb;" | -5%
 
| style="background-color:#ffffbb;" | -5%
 
|- align="center"
 
|- align="center"
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Dwarf]]
 
| style="background-color:#efefef;" | [[Dwarf]]
−
| none
+
| 0
−
| style="background-color:#ddffdd;" | -15%
+
| style="background-color:#ffffbb;" | -5%
 
| style="background-color:#ffffbb;" | -5%
 
| style="background-color:#ffffbb;" | -5%
 
|- align="center"
 
|- align="center"
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Ent]]
 
| style="background-color:#efefef;" | [[Ent]]
−
| ?
+
| 0
−
| ?
+
| style="background-color:#c0c0ff;" | -20%
−
| ?
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Firedrake]]
 
| style="background-color:#efefef;" | [[Firedrake]]
−
| none
+
| 0
−
| none
+
| 0
−
| none
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Gargoyle]]
 
| style="background-color:#efefef;" | [[Gargoyle]]
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Giant]]
 
| style="background-color:#efefef;" | [[Giant]]
−
| ?
+
| style="background-color:#ffdddd;" | +10%
 
| ?
 
| ?
 
| ?
 
| ?
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Halfling]]
 
| style="background-color:#efefef;" | [[Halfling]]
−
| ?
+
| 0
−
| ?
+
| 0
−
| ?
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Half-Elf]]
 
| style="background-color:#efefef;" | [[Half-Elf]]
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Harpy]]
 
| style="background-color:#efefef;" | [[Harpy]]
−
| ?
+
| 0
−
| ?
+
| style="background-color:#ffdddd;" | +15%
−
| ?
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Human]]
 
| style="background-color:#efefef;" | [[Human]]
−
| none
+
| 0
−
| none
+
| 0
−
| none
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Imp]]
 
| style="background-color:#efefef;" | [[Imp]]
−
| average
+
| style="background-color:#ffffbb;" | Good
 
| style="background-color:#ffaaaa;" | Bad
 
| style="background-color:#ffaaaa;" | Bad
 
| style="background-color:#ffffbb;" | Good
 
| style="background-color:#ffffbb;" | Good
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Kobold]]
 
| style="background-color:#efefef;" | [[Kobold]]
−
| ?
+
| style="background-color:#ff6666;" | 30%
−
| ?
+
| style="background-color:#ff6666;" | 30%
−
| ?
+
| style="background-color:#ff6666;" | 30%
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Kzinti]]
 
| style="background-color:#efefef;" | [[Kzinti]]
−
| none
+
| 0
 
| ?
 
| ?
−
| none
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Lizardmen]]
 
| style="background-color:#efefef;" | [[Lizardmen]]
−
| none
+
| 0
−
| none
+
| 0
 
| style="background-color:#ffffbb;" |-5%
 
| style="background-color:#ffffbb;" |-5%
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Ogres]]
 
| style="background-color:#efefef;" | [[Ogres]]
−
| ?
+
| style="background-color:#ffdddd;" | +10%
−
| ?
+
| 0
−
| ?
+
| style="background-color:#ffdddd;" | +10%
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Orc]]
 
| style="background-color:#efefef;" | [[Orc]]
 
| style="background-color:#ffdddd;" | +10%
 
| style="background-color:#ffdddd;" | +10%
−
| none
+
| 0
 
| style="background-color:#ffdddd;" | +10%
 
| style="background-color:#ffdddd;" | +10%
 
|- align="center"
 
|- align="center"
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| style="background-color:#ffffbb;" | -10%
 
| style="background-color:#ffffbb;" | -10%
 
| style="background-color:#ddffdd;" | -15%
 
| style="background-color:#ddffdd;" | -15%
 +
|- align="center"
 +
| style="background-color:#efefef;" | [[Gith]]
 +
| style="background-color:#ffffbb;" | -5%
 +
| style="background-color:#ffffbb;" | -5%
 +
| style="background-color:#ddffdd;" | -17%
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Golem]]
 
| style="background-color:#efefef;" | [[Golem]]
−
| ?
+
| 0
−
| ?
+
| style="background-color:#ffdddd;" | +10%
−
| ?
+
| style="background-color:#ffdddd;" | +10%
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Griffon]]
 
| style="background-color:#efefef;" | [[Griffon]]
−
| ?
+
| 0
−
| ?
+
| 0
−
| ?
+
| 0
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[High Elf]]
 
| style="background-color:#efefef;" | [[High Elf]]
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Hobgoblin]]
 
| style="background-color:#efefef;" | [[Hobgoblin]]
−
| ?
+
| +10%
−
| ?
+
| +10%
−
| ?
+
| +5%
 
|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Minotaur]]
 
| style="background-color:#efefef;" | [[Minotaur]]
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|- align="center"
 
|- align="center"
 
| style="background-color:#efefef;" | [[Miraar]]
 
| style="background-color:#efefef;" | [[Miraar]]
−
| none
+
| 0
−
| none
+
| 0
 
| style="background-color:#ffffbb;" | -10%
 
| style="background-color:#ffffbb;" | -10%
 
|- align="center"
 
|- align="center"

Revision as of 21:12, 23 May 2015

Every race has a racial spell cost modifer associated with it. There are three kinds of spells, arcane (mage/wzd/sor type), divine (cleric type) and psionic.

A negative modifier means the spell cost is lower.

Effective Mana

Note that the following shows the spell cost modifier. We can define the effective mana as the mana a human would need to cast the same amount as a particular race. If x is the racial spellcost modifier (in percentage), then the effective mana is 100 / (100 + x).

For example, a -25% spell cost modifier for sprite translates into 33% more effective mana.

Effective mana is the more directly useful notion, since finally, that's what determines how much you can cast.

Worship

The effect of worship on spellcost is multiplicative: 

racial-modifier * (1 + worship-modifier) = cost-modifier

Bhyss (-10%) Sprite (75% normal cost): 

0.75 * (1 + -0.1) = 0.675, which is 67.5% of regular cost - a 32.5% reduction.

Werredan (+10%) Minotaur (125%): 

1.25 * (1 + 0.1) = 1.375, a 37.5% increase in cost, driving for example Foci from 400 to 550.

The values

The entries have been computed usually by checking spell cost for Foci for arcane (400 mana for hum atheist), Fortitudes for psionic (400) and Awen for divine (500) and then accounting for worship reduction using the Worship table.

Legend
Divine
Legendary
Great
Good
Average
Below Average
Bad
Absurd


Creatable Races Spell Cost Modifiers
Race  Arcane Modifier  Divine Modifier  Psionic Modifier
Centaur -10% -15% -10%
Deep Gnome -7.5% -5% -5%
Draconian 0 0 -5%
Drow -12.5% -10% -10%
Duergar ? ? -5%?
Dwarf 0 -5% -5%
Elf -12.5% -10% -10%
Ent 0 -20% 0
Firedrake 0 0 0
Gargoyle -15% -10% -10%
Giant +10% ? ?
Gnome -7.5% -5% -5%
Goblin +10% +10% +10%
Halfling 0 0 0
Half-Elf ? ? ?
Half-Orc ? ? ?
Harpy 0 +15% 0
Human 0 0 0
Imp Good Bad Good
Kobold 30% 30% 30%
Kzinti 0 ? 0
Lizardmen 0 0 -5%
Ogres +10% 0 +10%
Orc +10% 0 +10%
Troglodyte +25% +25% +22.5%


Remort Races Spell Cost Modifiers
Race  Arcane Modifier  Divine Modifier  Psionic Modifier
Demonseed -12.5% -10% -10%
Dragon -10% -10% -15%
Gith -5% -5% -17%
Golem 0 +10% +10%
Griffon 0 0 0
High Elf -15% -15% -20%
Hobgoblin +10% +10% +5%
Minotaur +25% +15% +25%
Miraar 0 0 -10%
Sprite -25% -25% -25%
Troll +5% +10% +10%
Tuataur -10% -10% -20%
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