View source for Light sources

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{{Redirect2|Explosion|the [[Combat Achievement]]|Explosion!}}
'''Light sources''' are used to illuminate [[darkness|dark]] caves and [[dungeons]]. Some of these areas are inaccessible or very dangerous without a light source.

Most light sources are items that require certain {{SCP|Firemaking|link=yes}} levels to be lit. However, there are also certain equipable and stationary light sources.

==Consequences of no light==
{{Main|Darkness}}
After spending 9 seconds in a dark area without a light source, there will be a warning message and after 18 seconds (30 ticks), the message ''{{Colour|red|"Tiny biting insects swarm all over you!"}}'' is displayed in the chatbox. Starting with that message, 1 damage per [[tick]] will be dealt in quick succession, which cannot be blocked with [[protection prayers]]. The damage will stop upon leaving the dark area or igniting a light source.

'''Note:''' The 18 seconds timer can be reset by logging out, however, it is not possible to log out after being damaged, as it is considered in-combat.

Players cannot attack without a light source in dark areas but can still be attacked.

==Dark areas==
===Light source required===
*[[Abandoned Mine]]
*[[Dorgesh-Kaan South Dungeon]]
*[[Dorgesh-Kaan mine]]
*[[Falador Mole Lair]]
*The [[Genie (Spirits of the Elid)|genie's]] cavern west of [[Nardah]]
*[[Kruk's Dungeon]]
*[[Lumbridge Swamp Caves]]
*[[Mos Le'Harmless Cave]]
*[[Shayzien Crypts]]
*[[Skavid Caves]]
*[[Sophanem Dungeon]]
*[[Temple of Ikov (dungeon)|Temple of Ikov dungeon]] lower level

===Light source optional===
*[[Chasm of Tears]]
*[[Crombwick Manor]]
*[[Slayer Tower]] basement

==Ignition==
Unlit light sources may be lit by ''using'' a [[tinderbox]] on them. [[Torch]]es may also be lit with [[dry sticks]] or on a heat source that is capable of cooking food, such as a [[fire]], [[fireplace]], [[sulphur vent]], [[range]], and [[Gnome cooker]]. Each lightable item has a certain {{SCP|Firemaking|link=yes}} level requirement to be lit. Players may use [[spicy stew]]s to boost their level with up to 5.

[[Empty oil lamp]]s, [[empty oil lantern]]s and [[empty bullseye lantern]]s have to be filled with [[lamp oil]] before they can be lit. Lamp oil is made by distilling [[swamp tar]] at either the [[lamp oil still]] in the [[Chemist's house]] in [[Rimmington]], or the [[lamp still]] next to [[Miltog]] in [[Dorgesh-Kaan]].

==Extinguishing==
Light sources that have been lit can be ''extinguished'' at any time by the player, unless it is the only light source in a dark area. Some light sources can also forcibly be extinguished by several monsters and environmental effects:

*[[Scarab mage]]s can occasionally have all extinguishable light sources go out ({{mes|Your lights have been magically extinguished.}}).
*The [[giant mole]] might extinguish any [[candle]]s, [[torch]]es, or [[oil lamp]]s when it digs away.
*In the [[Sophanem Dungeon]], falling into a scarab trap puts out every extinguishable light source.
*Gas explosions will extinguish [[candle]]s, [[torch]]es, and [[oil lamp]]s while dealing damage to the player.
*Falling into water will douse all extinguishable light sources.

==Gas explosions==
[[File:Lumbridge swamp caves hazards.png|thumb|right|The areas where gas explosions can occur in the Lumbridge Swamp Caves.]]
[[Torch]]es, [[candle]]s and [[oil lamp]]s will cause gas explosions in certain areas of the [[Lumbridge Swamp Caves]], as the flames are exposed to the gas.

Upon entering such area with one of these light sources, a message is displayed in the chat box; ''{{Colour|red|"Your [light source] flares brightly!"}}''. After roughly 4.2 seconds (7 ticks) in the area, a gas explosion occurs, dealing 25% of your total [[Hitpoints]] in damage. The light source will then also be extinguished.

Constructing the [[Fire of Eternal Light]] (after the [[Making Friends with My Arm]] quest) in the swamp caves will disable gas explosions. It also functions as a light source throughout the caves.

==Light sources==
Certain light sources do not have to be ignited, and may be equipped.

Each light source has a different level of brightness, which only visually changes how illuminated a dark area will be. There are three levels of brightness, and these will stack (for example, the brightness of three [[candles]] is equivalent to the brightness of one [[bullseye lantern]]).

{| class="wikitable sortable"
!colspan="2"|Item
!{{SCP|Firemaking}} level<br/> required
!Brightness
!Ignites [[Lumbridge Swamp Caves|gas]]
!Extinguishable<br />by effects
!Notes
|-
|{{plinkt|Lit torch|txt=Torch}}
|1
|1
|{{Colour|red|Yes}}
|Yes
|Can be lit with [[dry sticks]], even in the water-filled chamber of the [[Haunted Mine]]. 
Can be lit by using on a [[Range]].
|-
|{{plinkt|Lit candle|txt=Candle}}
|1
|1
|{{Colour|red|Yes}}
|Yes
|
|-
|{{plinkt|Lit black candle|txt=Black candle}}
|1
|1
|{{Colour|red|Yes}}
|Yes
|Obtainable only during {{SCP|quest}} [[Merlin's Crystal]].
|-
|{{plinkt|Candle lantern (lit white)|txt=White candle lantern}}
|4
| 1
|No
|Yes
|
|-
|{{plinkt|Candle lantern (lit black)|txt=Black candle lantern}}
| 4
|1
|No
|Yes
|
|-
|{{plinkt|Oil lamp (lit)|txt=Oil lamp}}
|12
|2
|{{Colour|red|Yes}}
|Yes
|
|-
|{{plinkt|Oil lantern (lit)|txt=Oil Lantern}}
|26
|2
|No
|Yes
|
|-
|{{plinkt|Bullseye lantern (lit)|txt=Bullseye Lantern}}
|49
|3
|No
|No
|
|-
|{{plinkt|Sapphire lantern (lit)|txt=Sapphire lantern}}
| 49
|2
|No
|No
| Created by adding a [[sapphire]] to a [[bullseye lantern]]. Used in {{SCP|quest}} [[Tears of Guthix]] and {{SCP|quest}} [[While Guthix Sleeps]].
|-
|{{plinkt|Emerald lantern (lit)|txt=Emerald lantern}}
| 49
|3
|No
|No
|Created by adding an [[emerald lens]] to a [[bullseye lantern]]. Used in {{SCP|quest}} [[Lunar Diplomacy]].
|-
|{{plinkt|Mining helmet (lit)|txt=Mining Helmet}}
|65
|2
|No
|No 
| Equipable.
|-
|{{plinkt|Fire of Eternal Light|pic=Fire of Eternal Light icon}}
| 66
|3
|No
|{{NA}}
|Completion of {{SCP|quest}} [[Making Friends With My Arm]] and {{SCP|Construction|35|link=yes}}{{boostable|yes}} required.<br />Permanent effects when built in: [[Falador Mole Lair]], [[Lumbridge Swamp Caves]], [[Mos Le'Harmless Cave]].
|-
|{{plinkt|Firemaking cape}}
|99
|3
| No
|{{NA}}
|Equipable. Requires {{SCP|Firemaking|99|link=yes}} to be bought.
|-
|{{plinkt|Max cape}}
|99
|3
| No
|{{NA}}
|Equipable. Requires {{SCP|Skills}} 99 levels in all skills to be bought.
|-
|{{plinkt|Kandarin headgear|pic=Kandarin headgear 1|txt=Any Kandarin headgear}}
|{{NA}}
|2
| No
|{{NA}}
|Equipable. Requires completion of at least the {{SCP|diary}} [[Kandarin easy diary]].
|-
|{{plinkt|Bruma torch}}
|{{NA}}
|2
|No
|{{NA}}
|Equipable. Obtainable as possible reward from [[Wintertodt]].
|-
|{{plinkt|Glowing fungus}}
|{{NA}}
|Unknown
|{{NA}}
|{{NA}}
|Only obtainable in the [[Abandoned Mine]]. Disintegrates if dropped or brought outside.
|-
|{{plinkt|Abyssal lantern}}
|1
|3
|No
|No
|Equipable. Obtainable as a reward from {{SCP|minigame}} [[Guardians of the Rift]].
|-
|}

==Changes==
{{Subject changes header}}
{{Subject changes
|date = 22 September 2021
|update = Wilderness & Equipment Rebalance Changes
|change = If your light source is inextinguishable, you'll no longer get the extinguish warning when entering a dark area.
}}
{{Subject changes
|date = 26 August 2020
|update = Mahogany Homes
|change = Warning messages have been made more prominent when a light source is about to explode due to swamp gas.
}}
{{Subject changes footer}}

== Trivia==
*The [[bug lantern]] is not a light source despite its name. Its only uses are for [[Slayer]] to kill [[Harpie Bug Swarm]]s, and can be used as warm clothing at Wintertodt.
* Combining multiple light sources increases the brightness, however a brightness level above 3 makes no difference.

{{Light sources}}