Abyssal demon

Abyssal demons are one of the strongest types of demons, located at the top of the Slayer Tower in Morytania, in Kuradal's Dungeon, and in the depths of the dark Abyssal Area (which is not the Abyssal location used in Runecrafting) accessible through fairy rings code. Only players with level 85 Slayer or higher can fight these demons and obtain their drops.

Abyssal demons were once the ultimate goal of many slayers because of the Abyssal whips they drop, which were worth several million coins at one point. To this day the whip is still regarded as one of the best non-degradable, one handed weapons in the game, although it has significantly dropped in price. They can also drop the abyssal wand and orb, main and off-hand weapons that allow the casting of Slayer Dart, but only if the player is assigned to kill abyssal demons.

Strengths and weaknesses
Since they are a type of demon, they are affected by the powers of Silverlight and Darklight, which makes these weapons useful considering the demons' weakness against slashing weapons. Abyssal demons have a fairly low max hit, but hit quite accurately, so good food, a shield, or a healing familiar are advisable. Despite their accuracy, they are fairly good targets when using Guthan's or Dharok's sets due to their weakness against melee, especially to the slashing capabilities of Dharok's set. However, if using Dharok's set, players should consider activating Protect from Melee to halve damage taken.

Abyssal demons have the unusual ability of teleporting around the room while also teleporting the player at the same time. While the player always ends up in one of the eight spaces next to the abyssal demon, it is possible that the ending position will prevent ordinary melee combat. For example, if the demon teleports east of a terrain feature and the player south of it, melee combat is not possible (except if the player has a long weapon like a Halberd). If auto-retaliate is turned off, the player will have to click or right-click to resume attacking. Ranging or maging will usually prevent running back to combat, or if needed auto-retaliate should be turned on.

High levelled players may find it easy to stay for long periods of time, using a healing weapon such as a Saradomin godsword, a healing familiar like a bunyip, or healing armour sets like Guthans, or a combination of the three. The Soul Split prayer can also be utilised to extend the time of a trip by gaining life points. These methods, along with an occasional shark drop, can sustain most players for hours. In addition, if the player has trained slayer to this point and has 68 Summoning, they will usually find that a bunyip's healing effect will keep them at or near full lifepoints for the duration of the bunyip. Because of this, it is helpful to bring one or two bunyip pouches and a summoning potion, as well as a gem bag if owned and High Level Alchemy runes to clear up inventory space by alchemising drops such as adamant battleaxes, rune helms, rune chainbodies, etc..

Kuradal's Dungeon
This area can only be used while having a task from Kuradal that is in her dungeon. There are 8 abyssal demons in here and are all crowded together, making it quite easy to target another one. Players with 85 Agility can use one summer pie to bypass several rooms to make it quicker. Bank runs are somewhat cumbersome, so using Infernal urns and picking up the good drops is highly recommended to avoid waste of inventory space or ferocious ring charges. However, if a player has a pack yak familiar, they can use its special move to bank the ashes for a hefty profit. Quick access to here can be gained by the twice-daily teleports from the mask of the Abyss/helm of Warping, a ferocious ring teleport, or a fused full slayer helm with ferocious ring charges on it.

Abyssal Area
This area is somewhat unrelenting for most players. This area is usually empty of players due to the other abyss creatures that lurk in the area. Partial completion of Fairy Tale II - Cure a Queen must be used to access this area as it needs the use of a fairy ring to get into. Most areas are infested with other aggressive abyssal creatures. The best spot is west from the fairy ring as the abyssal leech can be easily killed and there is an abyssal demon nearby. There are around 11 abyssal demons scattered around the abyssal plane. Get here by using the code on the fairy ring.

Slayer Tower
Abyssal demons can be found in the south-west part of the top floor and on part of the roof, which is accessible over an Agility shortcut. Twice a day, players can use the teleport in the Mask of the Abyss/Helm of Warping to teleport here.

If killing demons here without a Slayer task, players can get a Slayer contract for 30 or 200 kills, which will give a slight amount of Slayer experience for each kill. Players using the Tower's abyssal demons to complete their Slayer task can instead get a Special slayer contract, which will give increased experience per kill. It should be noted, however, that obtaining an off-task contract will not allow the player to obtain the abyssal wand and orb. Morytania legs 4 can also be used to further boost slayer XP.

100% drop

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Weapons

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Other

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Trivia

 * When the Evolution of Combat was first released, Abyssal demons were weak to bolts, like most other demons. This was later changed to slashing weapons in an unknown update. In the beta version of the EoC, they were weak to water spells.
 * Although the game says Abyssal Demons are weak to slashing weapons, they still appear to be weak to water spells. This would make sense, as according to the combat triangle, monsters that use melee should be weak to magic.
 * Jagex greatly increased the life points of Abyssal demons among other common Slayer creatures in a hidden update on 25 February 2013. They stated that "they were too easy to kill for low-levelled players."
 * While a player is attacking them and performing a combo attack, Abyssal demons are incapable of teleporting the player, however they can still teleport themselves.
 * If an abyssal demon is killed as it is teleporting, it will have no death animation.
 * Abyssal demons recieved a drop revamp on 4 February 2014, removing most drops and replacing with more expensive drops, and allowed them to drop the abyssal wand and orb for players on abyssal demon tasks.
 * Palkeera's memory heavily implies that Abyssal demons are part of a race of demons called Chthonians, which is later confirmed by Mod Jack on the Mahjarrat Memories FAQ.