Black demon

Black demons are large monsters that inhabit a few dungeons across RuneScape. They use melee attacks that can hit up to 160 on a player, or up to 200 on a familiar. They are much stronger than their Greater demon cousins and are often assigned by Sumona, Duradel and Kuradal as Slayer tasks. Black demons drop low amounts of coins extremely often, making killing them for any other reason than a Slayer assignment not worth the trouble most of the time. Many players permanently cancel Black demon tasks using Slayer reward points, as this task is very time-consuming with no substantial drops aside from Crimson charms and occasional runite equipment.

Locations
Black demons inhabit the following locations:
 * The deeper half of Taverley Dungeon (requires dusty key or level 20 Agility)
 * Underneath Edgeville, in the Wilderness section of the dungeon.
 * The Chaos Tunnels. these Black demons have a notably higher drop rate of charms.
 * Brimhaven Dungeon, right before the mithirl and Steel dragons, and with the Bronze dragons.

In each location there is at least one safespot from which the demons can be fought safely with Ranged, Magic, or a sword.

Strategy
Despite their combat level, Black demons have fairly low defence. However, they are usually one of the most dangerous monsters in the dungeons they inhabit because of their accuracy and high max hit. The special of Enhanced Excalibur can assist on these tasks.

Melee
Meleeing Black demons is the fastest, most effective method of killing them and is the advised method for players who have the appropriate equipment and stats. Due to their accuracy and strength, most players choose to use protection prayers to avoid damage; this is more costly than simply using food but is a lot less risky should a connection loss occur. Meleeing Black demons without prayer is viable, but good armour, food, and a healing familiar are imperative. A Defence level of 85+ is advised for slaying black demons efficiently.

Use of a Halberd is much slower than conventional melee weapons, but it is much cheaper. Taverley Dungeon is the recommended location for using halberds, but the Chaos Tunnels and Edgeville Dungeon can be used as well.

It maybe useful to add the use of a Guthan's Set in order to heal off Black demons without using familiars or food. It is still a good idea to bring some low level food just incase. Having 80+ stats is helpful in order to allow the guthans to heal at about the same rate as the Black demons hit.

Ranged
Ranging Black demons is nearly as effective as meleeing and is generally less risky. Although all areas that Black demons inhabit contain safespots, Taverley Dungeon is generally regarded as the best of the four. The Chaos Tunnels are also a safe place to range them; the Black demons there drop charms more often than those in other locations, so players wishing to train Summoning are recommended to range them in the Tunnels.

Cannoning
Cannons are fairly effective against Black demons, so they are a good option to all who can afford them. However, cannons cannot be used in the Chaos Tunnels and are subject to hitting other monsters, such as Wild Dogs, in the Brimhaven Dungeon.

Edgeville Dungeon
This is often considered the best place because of its location to a bank, but it can be crowded at times. It is not recommended for players below 80 combat, since this place is somewhat regularly patrolled by lower-levelled revenants. It is advised to have a brass key, because the ladder in the area of the Black demons leads to the wilderness, which puts the player at risk of being attacked by MULTIPLE revenants. Cannons can be used here, and, if the player can find an open world, can lead to an extremely fast Slayer experience gain. Beware of the poison spiders that are in the same room as the demons; antipoison is recommended. This is a great place to safe and train magic.

Brimhaven dungeon
This location is also very good for fighting Black demons - getting in and out is no threat and fighting the Black demons is like usual. However, this area is fairly far from a bank and is full of aggressive Wild dogs, which may attack the player and prevent him or her from killing Black demons until it is killed. A cannon can be used to defeat these demons, but it will also fire at the Wild dogs.

Taverley Dungeon
This spot is very far from a bank, especially if the player has less than 70 or 80 Agility (which allow shortcuts to the Black demons). Also, this spot requires use of a Dusty Key if the player does not have the Agility level required to use the shortcuts. However, this spot can yield very good Slayer exp on tasks if approached with a cannon and ranging from one of several safe spots. One option for fairly quick banking is to teleport to CastleWars bank chest and return using the balloon transport system.

Chaos Tunnels
This is the worst place to train for low levels because of the dangers involved in getting to the room, but may be the best for high levels who wish to raise Summoning as well as high levelled rangers because of the safespot located at the sack pile on the north wall. The Black Demons in the Chaos Tunnel also have a much higher drop rate for charms. Players should be advised of the dangers involved in navigating the Chaos Tunnels before fighting here, including traversing through several multi-combat zones with aggressive monsters. A downside to using the chaos tunnels is that a cannon cannot be used.

100% drops

 * Ashes

Runes and talismans

 * 50 or 75 air runes
 * 37 or 40 fire runes
 * 10 chaos runes
 * 45 death runes
 * 7 blood runes
 * 3 or 45 law runes
 * 67 Nature runes
 * Chaos talisman

Armour

 * Black Full Helm (Common)
 * Dragon med helm (exremely rare)
 * Mithril kiteshield (common)
 * Rune kiteshield (rare)
 * Rune med helm (uncommon)
 * Rune platelegs (rare)
 * Rune chainbody (uncommon)
 * Rune sq shield (rare)
 * Shield left half (very rare)
 * Rune platebody ( rare)

Weapons

 * Black hatchet (common)
 * Black sword (common)
 * Dragon spear (very rare)
 * Rune spear (very rare)
 * Rune 2h sword (rare)
 * Rune battleaxe (rare)
 * Steel battleaxe (common)

Ammunition

 * 1-200 adamant javelins (rare)
 * 135-345 bronze arrows
 * 5 or 10 rune Javelins
 * 12, 42, or 64 rune arrows
 * 150 steel arrows

Ores and bars

 * Adamant bar (uncommon)
 * 20 Noted Coal
 * Runite bar (rare)
 * 100 Noted Silver ore

Herbs

 * Herbs (excluding Spirit weed, Wergali, Toadflax and Snapdragon)

Other
Clue Scroll
 * 30, 44, 132, 220, 460 (very common) or 3,000 coins (rare)
 * Defence potion, (1) or (3)
 * All gems (except onyx; dragonstone - very rare)
 * Tooth half of a key
 * Loop half of a key
 * 1 or 2 Cooked lobsters
 * 10 Thread
 * Lobster (uncommon)

Trivia

 * Most Black demons were level 156 in RuneScape Classic. The boss of the Grand Tree quest was level 172. It was the strongest quest monster until the release of the Legends Quest.
 * The spelling of the regular demon is Black demon with lowercase second word. However, for The Grand Tree quest, it used to be spelled Black Demon with 2 uppercase words. This has now been fixed.
 * Slayer Masters say that the Black demon is the strongest demon. This is, however, uncertain; the Jungle Demon, Tormented demons, K'ril Tsutsaroth and Nezikchened all are higher levelled and have higher max hits. But may it be true as is seems Nezikchened is classified as an elder demon. Similarly, K'ril Tsutsaroth is an elder demon, though Slayer masters say he is a Lesser Demon.
 * Some players have reported seeing a pinkish fog around the feet of a few of the Black Demons in the Taverley, Brimhaven, and Edgeville Dungeons, it is unknown if this is a glitch.