Difference between revisions of "Magic contamination"
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Various activities cause harmful magical energies to accumulate in your body. A small amount of magical contamination (a dark or light grey "Contam" status) is mostly harmless, and will dissipate over time without any further effect. Larger amounts of accumulated magic contamination (a yellow, red, or dark red "Contam" status) will make you start to [[glow]] with magical contamination. | Various activities cause harmful magical energies to accumulate in your body. A small amount of magical contamination (a dark or light grey "Contam" status) is mostly harmless, and will dissipate over time without any further effect. Larger amounts of accumulated magic contamination (a yellow, red, or dark red "Contam" status) will make you start to [[glow]] with magical contamination. | ||
| − | Contamination over | + | Contamination over 5000 points is considered severe. Being at a severe contamination level makes you easier to hit and reveals you if [[invisible]], similar to the [[Corona]] spell. It also leaves you at risk to bad [[mutation]]s and damaging explosions. |
Any amount of contamination can cause [[ugly thing]]s adjacent to you change their colour. | Any amount of contamination can cause [[ugly thing]]s adjacent to you change their colour. | ||
| Line 12: | Line 12: | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
| − | ! Contam<ref>{{source ref|0.29.0|player.cc|3959}} | + | ! Contam<ref>{{source ref|0.29.0|player.cc|3959}}</ref> |
! Colour<ref>{{source ref|0.29.0|status.cc|809}}</ref> | ! Colour<ref>{{source ref|0.29.0|status.cc|809}}</ref> | ||
! Description<ref>{{source ref|0.29.0|player.cc|3995}}</ref> | ! Description<ref>{{source ref|0.29.0|player.cc|3995}}</ref> | ||
| Line 20: | Line 20: | ||
| You are very lightly contaminated with residual magic. | | You are very lightly contaminated with residual magic. | ||
|- | |- | ||
| − | | | + | | 3000 |
| Light grey | | Light grey | ||
| You are lightly contaminated with residual magic. | | You are lightly contaminated with residual magic. | ||
|- | |- | ||
| − | | | + | | 5000 |
| Yellow | | Yellow | ||
| You are contaminated with residual magic. | | You are contaminated with residual magic. | ||
|- | |- | ||
| − | | | + | | 15000 |
| Light Red | | Light Red | ||
| You are heavily infused with residual magic. | | You are heavily infused with residual magic. | ||
|- | |- | ||
| − | | | + | | 25000 |
| Red | | Red | ||
| You are practically glowing with residual magic! | | You are practically glowing with residual magic! | ||
|- | |- | ||
| − | | | + | | 40000 |
| Red | | Red | ||
| Your entire body has taken on an eerie glow! | | Your entire body has taken on an eerie glow! | ||
|- | |- | ||
| − | | | + | | 60000 |
| Red | | Red | ||
| You are engulfed in a nimbus of crackling magics! | | You are engulfed in a nimbus of crackling magics! | ||
| Line 47: | Line 47: | ||
==Sources== | ==Sources== | ||
===Spells=== | ===Spells=== | ||
| − | *[[Irradiate]]: | + | *[[Irradiate]]: 1250 - 2000 per cast<ref>{{source ref|0.29.0|spl-cast.cc|1949}}</ref>. |
| + | **When a player is hit ''by'' Irradiate: 2000-3000 <ref>{{source ref|0.29.0|spl-damage.cc|1839}}</ref> | ||
===Spell Miscasts=== | ===Spell Miscasts=== | ||
| − | *Every [[miscast]]: Depends on the miscast severity. See [[Miscast effect#Effects]] for more information. | + | *Every [[miscast]]: Depends on the miscast severity. See [[Miscast effect#Effects|Miscast effect]] for more information. |
| − | *[[Transmutations]] miscast: Doubles current | + | *[[Transmutations]] miscast: Doubles current contamination |
===Other=== | ===Other=== | ||
| − | *[[Invisibility (ego)]]: | + | *[[Invisibility (ego)]]: 1000-1500 per successful use <ref>{{source ref|0.29.0|ability.cc|2674}}</ref> |
| − | *Removing an [[artefact]] with *Contam: | + | *Removing an [[artefact]] with *Contam: 7000<ref>{{source ref|0.29.0|player-equip.cc|389}}</ref> |
| − | *[[Mutagenic fog]]: | + | *[[Mutagenic fog]]: 1300 - 2550<ref>{{source ref|0.29.0|cloud.cc|1165}}</ref> |
| − | *[[Zot trap]]: | + | *[[Zot trap]]: 7000 - 20000 (one of many possible outcomes)<ref>{{source ref|0.29.0|traps.cc|414}}</ref> |
| − | *[[Jiyva]] [[penance]]: 0 | + | *[[Jiyva]] [[penance]]: 0 - <code>500 * penance</code> (one of many possible outcomes)<ref>{{source ref|0.29.0|god-wrath.cc|L1233}}</ref> |
==Dissipation== | ==Dissipation== | ||
| − | Magic contamination is dissipated at the rate of | + | Magic contamination is dissipated at the rate of 75 per turn.<ref>{{source ref|0.28.0|timed-effects.cc|108}}</ref> Quaffing a [[potion of cancellation]] instantly removes 1000 - 5000 points of contamination. |
| − | While being severely contaminated every 70 - 200 turns<ref>{{source ref|0.29.0|timed-effects.cc|257}}</ref> there is contamination / | + | While being severely contaminated every 70 - 200 turns<ref>{{source ref|0.29.0|timed-effects.cc|257}}</ref> there is <code>contamination / 12000</code><ref>{{source ref|0.29.0|timed-effects.cc|117}}</ref> chance of a violent release of energies. Standing in [[Zin]]'s Sanctuary stops this from happening. |
| − | One likely bad mutation (about 95% chance) is gained that bypasses [[mutation resistance]]. If contamination is higher than 10, there is also a damaging explosion. The damage is <code>3d(contamination / | + | One likely bad mutation (about 95% chance) is gained that bypasses [[mutation resistance]]. If contamination is higher than 10,000, there is also a damaging explosion. The damage is <code>3d(contamination / 2000)</code>, and doubled for the non-living. Explosion size also increases with the contamination level. After the negative effects, contamination is reduced by 1000 - <code>1000 + contamination / 4</code><ref>{{source ref|0.29.0|timed-effects.cc|74}}</ref>. |
==Tips & Tricks== | ==Tips & Tricks== | ||
| − | Being in lichform, by way of [[Necromutation]], prevents any contamination-related malmutations; instead, your [[stat]]s | + | Being in lichform, by way of [[Necromutation]], prevents any contamination-related malmutations; instead, your [[stat]]s temporarily rot. |
==History== | ==History== | ||
| − | * | + | *Prior to [[0.29]], the contamination level for the light grey warning was 3500 instead of 3000. This change was enacted to match [[Irradiate]], which had its contamination increased in this version. |
*Prior to [[0.28]], the [[Orb of Zot]] extended contamination. | *Prior to [[0.28]], the [[Orb of Zot]] extended contamination. | ||
| − | *Prior to [[0.26]], magic contamination decayed much slower: - | + | *Prior to [[0.26]], magic contamination decayed much slower: -25 per turn instead of -75, while the time between bad effects was also slower (200 - 600 turns). |
| − | *Prior to [[0.25]], [[miscast effect]]s were different, and thus had different | + | *Prior to [[0.25]], [[miscast effect]]s were different, and thus had different contamination levels. |
*Prior to [[0.19]], the light grey contamination level didn't exist. | *Prior to [[0.19]], the light grey contamination level didn't exist. | ||
| − | *Prior to [[0.10]], this effect was simply called [[glow]], a ambiguous term that also referred to the backlight caused by [[Sticky Flame]] and [[Corona]] (and | + | *Prior to [[0.10]], this effect was simply called [[glow]], a ambiguous term that also referred to the backlight caused by [[Sticky Flame]] and [[Corona]] (and contamination itself). |
===Sources of Contamination=== | ===Sources of Contamination=== | ||
| − | *Prior to [[0.28]], [[invisibility]] caused contamination over time, and [[Disjunction]] had | + | *Prior to [[0.28]], [[invisibility]] caused contamination over time, and [[Disjunction]] had 750 - 1250 contamination on cast. |
| − | *Prior to [[0.26]], reading a [[scroll of blinking]] contaminated the player. | + | *Prior to [[0.26]], casting [[Controlled Blink]] or reading a [[scroll of blinking]] contaminated the player. |
*Prior to [[0.20]], drinking a [[potion of haste]] contaminated the player, and the [[haste]] effect caused contamination over time. | *Prior to [[0.20]], drinking a [[potion of haste]] contaminated the player, and the [[haste]] effect caused contamination over time. | ||
Latest revision as of 20:03, 27 July 2023
Version 0.29: This article may not be up to date for the latest stable release of Crawl.
Magic contamination is a dangerous condition caused by miscasts and some magical effects.
Contents
Overview
Various activities cause harmful magical energies to accumulate in your body. A small amount of magical contamination (a dark or light grey "Contam" status) is mostly harmless, and will dissipate over time without any further effect. Larger amounts of accumulated magic contamination (a yellow, red, or dark red "Contam" status) will make you start to glow with magical contamination.
Contamination over 5000 points is considered severe. Being at a severe contamination level makes you easier to hit and reveals you if invisible, similar to the Corona spell. It also leaves you at risk to bad mutations and damaging explosions.
Any amount of contamination can cause ugly things adjacent to you change their colour.
Contamination Levels
| Contam[1] | Colour[2] | Description[3] |
|---|---|---|
| >0 | Dark grey | You are very lightly contaminated with residual magic. |
| 3000 | Light grey | You are lightly contaminated with residual magic. |
| 5000 | Yellow | You are contaminated with residual magic. |
| 15000 | Light Red | You are heavily infused with residual magic. |
| 25000 | Red | You are practically glowing with residual magic! |
| 40000 | Red | Your entire body has taken on an eerie glow! |
| 60000 | Red | You are engulfed in a nimbus of crackling magics! |
Sources
Spells
Spell Miscasts
- Every miscast: Depends on the miscast severity. See Miscast effect for more information.
- Transmutations miscast: Doubles current contamination
Other
- Invisibility (ego): 1000-1500 per successful use [6]
- Removing an artefact with *Contam: 7000[7]
- Mutagenic fog: 1300 - 2550[8]
- Zot trap: 7000 - 20000 (one of many possible outcomes)[9]
- Jiyva penance: 0 -
500 * penance(one of many possible outcomes)[10]
Dissipation
Magic contamination is dissipated at the rate of 75 per turn.[11] Quaffing a potion of cancellation instantly removes 1000 - 5000 points of contamination.
While being severely contaminated every 70 - 200 turns[12] there is contamination / 12000[13] chance of a violent release of energies. Standing in Zin's Sanctuary stops this from happening.
One likely bad mutation (about 95% chance) is gained that bypasses mutation resistance. If contamination is higher than 10,000, there is also a damaging explosion. The damage is 3d(contamination / 2000), and doubled for the non-living. Explosion size also increases with the contamination level. After the negative effects, contamination is reduced by 1000 - 1000 + contamination / 4[14].
Tips & Tricks
Being in lichform, by way of Necromutation, prevents any contamination-related malmutations; instead, your stats temporarily rot.
History
- Prior to 0.29, the contamination level for the light grey warning was 3500 instead of 3000. This change was enacted to match Irradiate, which had its contamination increased in this version.
- Prior to 0.28, the Orb of Zot extended contamination.
- Prior to 0.26, magic contamination decayed much slower: -25 per turn instead of -75, while the time between bad effects was also slower (200 - 600 turns).
- Prior to 0.25, miscast effects were different, and thus had different contamination levels.
- Prior to 0.19, the light grey contamination level didn't exist.
- Prior to 0.10, this effect was simply called glow, a ambiguous term that also referred to the backlight caused by Sticky Flame and Corona (and contamination itself).
Sources of Contamination
- Prior to 0.28, invisibility caused contamination over time, and Disjunction had 750 - 1250 contamination on cast.
- Prior to 0.26, casting Controlled Blink or reading a scroll of blinking contaminated the player.
- Prior to 0.20, drinking a potion of haste contaminated the player, and the haste effect caused contamination over time.
References
- ↑ player.cc:3959 (0.29.0)
- ↑ status.cc:809 (0.29.0)
- ↑ player.cc:3995 (0.29.0)
- ↑ spl-cast.cc:1949 (0.29.0)
- ↑ spl-damage.cc:1839 (0.29.0)
- ↑ ability.cc:2674 (0.29.0)
- ↑ player-equip.cc:389 (0.29.0)
- ↑ cloud.cc:1165 (0.29.0)
- ↑ traps.cc:414 (0.29.0)
- ↑ god-wrath.cc:L1233 (0.29.0)
- ↑ timed-effects.cc:108 (0.28.0)
- ↑ timed-effects.cc:257 (0.29.0)
- ↑ timed-effects.cc:117 (0.29.0)
- ↑ timed-effects.cc:74 (0.29.0)
