Spell Power - Revision history

Hordes at 06:07, 29 January 2026

2026-01-29T06:07:37Z

Hordes: /* Spell Range */

2025-12-06T15:15:06Z

‎Spell Range

Hordes: Undo revision 81741 by Hordes (talk)

2024-11-07T10:03:34Z

Undo revision 81741 by Hordes (talk)

Hordes at 10:02, 7 November 2024

2024-11-07T10:02:43Z

Patrick2011b: /* Example calculations */ clarify table

2024-10-25T18:54:39Z

‎Example calculations: clarify table

Hordes: /* Spell Range */

2024-10-25T10:32:16Z

‎Spell Range

Hordes at 10:30, 25 October 2024

2024-10-25T10:30:25Z

Hordes at 10:21, 25 October 2024

2024-10-25T10:21:41Z

Ge0ff: /* History */ commit 1724605

2024-02-13T20:08:58Z

‎History: commit 1724605

Hordes: /* Spell Range */ fixes

2023-12-05T09:48:53Z

‎Spell Range: fixes

@@ Line 4: / Line 4: @@
    Your Spells                      Power
-  a - Sting                         100%
+  a - Blink                         100%
   c - Call Imp                      44%
   d - Iron Shot                     11%

@@ Line 75: / Line 75: @@
 ==Spell Range==
-For most spells, range is unaffected by power. But for a few spells like [[Dispersal]], the range increases based on spell power. Range (approximately) increases at a linear rate, so at half power, you are halfway between the minimum and maximum range.
+For most spells, range is unaffected by power. But for a few spells like [[Dispersal]], the range increases based on spell power. Range increases at a linear rate (before rounding), so at half power, you are halfway between the minimum and maximum range.
 Specifically, if the spell power (pow in the following) is above the power cap, the spell has maximum range. Otherwise:

@@ Line 8: / Line 8: @@
   d - Iron Shot                     11%
-In game, spell power is displayed as a percent of the maximum spell power, where each individual spell has its own cap. A cap of 100 means that if your spell power is higher than 100, it will be set to 100. This allows for low-level spells to scale quickly with skill, but prevents them from getting too strong.
+Each individual spell has a spell power cap placed on it. A cap of 100 means that if your spell power is higher than 100, it will be set to 100. This allows for low-level spells to scale quickly with skill, but prevents them from getting too strong.
 ==Formula==

@@ Line 8: / Line 8: @@
   d - Iron Shot                     11%
-Each individual spell has a spell power cap placed on it. A cap of 100 means that if your spell power is higher than 100, it will be set to 100. This allows for low-level spells to scale quickly with skill, but prevents them from getting too strong.
+In game, spell power is displayed as a percent of the maximum spell power, where each individual spell has its own cap. A cap of 100 means that if your spell power is higher than 100, it will be set to 100. This allows for low-level spells to scale quickly with skill, but prevents them from getting too strong.
 ==Formula==

@@ Line 54: / Line 54: @@
 The base value of spell power, before enhancers/INT/mutations, is capped at '''67.5'''.
-Without any enhancers, in order to reach 150 spell power , an INT of 52 is required: <code>67.5 * 52/10 = 351</code>.
+Without any enhancers, in order to reach 150 spell power, an INT of 52 is required: <code>67.5 * 52/10 = 351</code>.
-The following table documents the required ''base value'' to reach a given spell power, for a given # of enhancers:
+The following table documents the required ''base value'' to reach a given spell power at 40 INT, for a given # of enhancers:
 {| class="prettytable"
 ! # of Enhancers !! 100 Power !! 150 Power !! 200 Power

@@ Line 40: / Line 40: @@
 Once the raw spell power value is determined, a stepdown function is applied to obtain the '''real''' spell power:
-  Spellpower = 50 * log_2(1 + raw_power/50)
+  Spellpower = 50 * log_2(1 + raw_power/50) IF raw_power > 50
-This is capped at 200, and for values under 50 the exact spellpower is used instead.
+This is capped at 200. If power is under 50, the raw spell power is used with no modification.
 [[File:Spell power stepdown function.png]]
-Approximately, every 50 real spell power is twice as difficult to obtain; and there is an absolute maximum of 200 real spell power. For example, 50 raw spell power is equivalent to 50 real spell power; 100 raw spell power is equivalent to 50 + 50/2 = 75 real spell power; and 500 raw spell power is equivalent to 50 + 100/2 + 200/4 + 150/8 = 168 real spell power. The maximum of 200 real spell power is reached at 750 raw spell power.
+Approximately, every 50 real spell power is twice as difficult to obtain, with an absolute maximum of 200 real spell power. For example, 50 raw spell power is equivalent to 50 real spell power; 100 raw spell power is equivalent to 50 + 50/2 = 75 real spell power; and 500 raw spell power is equivalent to 50 + 100/2 + 200/4 + 150/8 = 168 real spell power. The maximum of 200 real spell power is reached at 750 raw spell power.
-=== Example: Spell Power Milestone ===
+=== Example calculations ===
    Base Value = (Spellcasting / 2) + (2 * [average_spell_schools])
-Since the base value of spell power is capped at '''67.5''', without any enhancers spell power of 150 (raw spell power of 350) is achievable with INT 52. In most cases, however,  spellcasters wear enhancers that making their spell more powerful. One can calculate required base value for hitting specific spell powers. As an example, requirements of 100, 150, and 200 are calculated with INT=40 (quite high!)
+The base value of spell power, before enhancers/INT/mutations, is capped at '''67.5'''.
 {| class="prettytable"
 ! # of Enhancers !! 100 Power !! 150 Power !! 200 Power
@@ Line 68: / Line 71: @@
 |}
-Maximum spell power can only be accomplished with three enhancers, assuming 40 Int and no mutations . If one has Wild Magic Lv 2, then only one enhancer can max out your spell power. However, in this situation, spellcasting success rate falls off dramatically, forcing the player to use a [[ring of wizardry]]. Demonspawn with Augmentation 1 can enjoy max spell power with two enhancers, while one with augmentation 3 can enjoy maximum spell power with only one enhancer.
+Maximum spell power can only be accomplished with three enhancers, assuming 40 INT and no mutations. If one has Wild Magic Lv 2, then only one enhancer can max out your spell power. However, in this situation, spellcasting success rate falls off dramatically, forcing the player to use a [[ring of wizardry]]. Demonspawn with Augmentation 1 can enjoy max spell power with two enhancers, while one with Augmentation 3 can enjoy maximum spell power with only one enhancer.
 ==Spell Range==
-For most spells the range starts out at maximum. But for spells like [[Passwall]], the range increases based on spell power, after a step down. Range (approximately) increases at a linear rate, so at half power, you are halfway between the minimum and maximum range.
+For most spells the range starts out at maximum. But for spells like [[Dispersal]], the range increases based on spell power, after a step down. Range (approximately) increases at a linear rate, so at half power, you are halfway between the minimum and maximum range.
 Specifically, if the spell power (pow in the following) is above the power cap, the spell has maximum range. Otherwise:

@@ Line 1: / Line 1: @@
-{{version030}}
+{{version032}}
 Every spell uses a '''spell power''' value to determine their effects: damage, range, duration, etc. You can display your spell power for known spells by bringing up your spell list with '''I''', then '''!''', which will display a screen looking like this:
@@ Line 19: / Line 19: @@
    * mutations
-*'''Average spell schools''' is the average of all the skills necessary for the spell - up to three schools for some spells (e.g. [[Mephitic Cloud]], which requires Conjurations, Poison Magic, and Air Magic). [[Djinn]] instead use the generic [[Spellcasting]] skill for all of their spells.
+*'''Average spell schools''' is the average of all the skills necessary for the spell - up to three schools for some spells (e.g. [[Mephitic Cloud]], which requires Conjurations, Alchemy, and Air Magic).
-*'''Spell Enhancers''' include [[magical staves]], [[brilliance]], [[Archmagi]], etc. You get +1 for every enhancer and -1 for every dampener. If the factor is positive, your spell power is multiplied by 1.5<sup>(factor)</sup>. If it is negative, it is multiplied by 0.5<sup>(factor)</sup>, effectively halving your power every dampener. The factor is capped at ±3.
+*'''Spell Enhancers''' include [[magical staves]], [[brilliance]], [[Archmagi]], etc. Every enhancer adds one to this count, every dampener subtracts one. If positive, your spell power is multiplied by 1.5<sup>(enhancers)</sup>. If it is negative, it is multiplied by 0.5<sup>(-enhancers)</sup>. Enhancers are capped at ±3.
 *'''Mutations''' add a multiplier, depending on the mutation in question.
 **'''Wild Magic''' increases your spell power, but decreases your success rate. The bonus is ×1.3, ×1.6 or ×1.9 depending on how many levels of this mutation you have.

@@ Line 93: / Line 93: @@
 ==History==
-* In [[0.28]], the last two spells which didn't involve spell power ([[Blink]] and [[Passage of Golubria]]) now use it.
+*Prior to [[0.31]], monsters' OTR used 8 * HD spellpower instead of 12 * HD.
-* Prior to [[0.26]], spell power display was fuzzed, displayed in terms of bars (##.) instead of percentages. Bars did not have equal value; lower bars represented less numerical power per bar.
+*In [[0.28]], the last two spells which didn't involve spell power ([[Blink]] and [[Passage of Golubria]]) now use it.
-* Prior to [[0.18]], the Wild and Subdued Magic mutations had larger effects on spellpower.
+*Prior to [[0.26]], spell power display was fuzzed, displayed in terms of bars (##.) instead of percentages. Bars did not have equal value; lower bars represented less numerical power per bar.
-* Prior to [[0.10]], a different stepdown function for spellpower was used.
+*Prior to [[0.18]], the Wild and Subdued Magic mutations had larger effects on spellpower.
 ==References==