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Killerwatt icon.png

Killerwatts are Slayer monsters located in the Killerwatt plane, accessed through a portal on the top floor of Draynor Manor. Level 37 Slayer and completion of Ernest the Chicken are required to kill them. Players are suggested to wear insulated boots when fighting killerwatts - not wearing them will result in taking increased damage from the killerwatt's Ranged attacks due to lightning strikes; however, this damage can still be negated with Protect from Missiles. A Dwarf multicannon cannot be set up in the killerwatt plane.

Killerwatts are much more dangerous than what their combat level may suggest; both their Ranged and Melee attacks will hit players every 1.2 seconds, much faster than the speed of an Abyssal whip or scimitars, and their melee attacks are exceptionally accurate, although Prayer flicking is still possible despite their attack speed. Using Ranged or Magic from across clouds will limit them to their Ranged attack, allowing players with protection prayers to safely complete this Slayer task. Their Ranged attack is Magic-based, and thus equipment with high Magic Defence such as dragonhide armour will provide the best protection against the Ranged attack. Contrary to popular belief, their melee attack is NOT magic based, and as such your best melee armor is most effective when using the 'baiting' method (where the player selects to attack the enemy but clicks away before landing their first attack, leading to the killerwatt only using melee attacks).

A killerwatt in its docile state.

Killerwatts initially appear as floating balls of electricity, but will grow limbs if attacked. Though they aren't aggressive, they will immediately retaliate after being clicked on, and will try to get within melee range of the player before attacking. Because of this, it is possible to stop a killerwatt from using Ranged attacks entirely by clicking on it with a Melee weapon equipped and then waiting for it to attack first. A killerwatt that has targeted a player will not stop following them until they log out or leave the killerwatt plane.

Drops

100% drop

Item Quantity Rarity GE market price
Ashes.png Ashes 1 Always 72

Weapons/Armour

Item Quantity Rarity GE market price
Staff of fire.png Staff of fire 1 Uncommon 1,460
Staff of air.png Staff of air 1 Uncommon 1,620
Fire battlestaff.png Fire battlestaff 1 Uncommon 8,982
Air battlestaff.png Air battlestaff 1 Uncommon 8,948
Mystic fire staff.png Mystic fire staff 1 Uncommon 25,159

Herbs

Item Quantity Rarity GE market price
Grimy guam leaf.png Grimy guam leaf 1 Common 15
Grimy marrentill.png Grimy marrentill 1 Common 13
Grimy tarromin.png Grimy tarromin 1 Common 132
Grimy harralander.png Grimy harralander 1 Common 674
Grimy ranarr weed.png Grimy ranarr weed 1 Uncommon 7,640
Grimy irit leaf.png Grimy irit leaf 1 Uncommon 775
Grimy avantoe.png Grimy avantoe 1 Uncommon 1,814
Grimy kwuarm.png Grimy kwuarm 1 Uncommon 1,165
Grimy cadantine.png Grimy cadantine 1 Uncommon 1,312
Grimy lantadyme.png Grimy lantadyme 1 Rare 1,391
Grimy dwarf weed.png Grimy dwarf weed 1 Rare 448

Runes

Item Quantity Rarity GE market price
Air rune.png Air rune 5; 17 Common 25–85
Fire rune.png Fire rune 18; 45 Common 90–225
Nature rune.png Nature rune 8; 37 Uncommon 1,736–8,029
Chaos rune.png Chaos rune 4 Uncommon 356
Death rune.png Death rune 2 Uncommon 406
Steam rune.png Steam rune 2 Uncommon 136

Other

Item Quantity Rarity GE market price
Coins 100.png Coins 11–21; 44; 127; 156; 200 Common Not sold
Cannonball.png Cannonball 3 Uncommon 516
Fire orb.png Fire orb 2 Uncommon 2,458
Soda ash.png Soda ash 4 Uncommon 260

Gem drop table

In addition to the drops above, this monster has access to the gem drop table.

Show/hide gem drop table
Item Quantity Rarity GE market price
Uncut sapphire.png Uncut sapphire 1 Rare 455
Uncut emerald.png Uncut emerald 1 Rare 679
Uncut ruby.png Uncut ruby 1 Rare 1,249
Nature talisman.png Nature talisman 1 Very rare 744
Uncut diamond.png Uncut diamond 1 Very rare 2,627
Rune javelin.png Rune javelin 5 Very rare 875
Loop half of key.png Loop half of key 1 Very rare 10,307
Tooth half of key.png Tooth half of key 1 Very rare 10,840
Rune spear.png Rune spear 1 Very rare 11,933
Shield left half.png Shield left half 1 Very rare 65,697
Dragon spear.png Dragon spear 1 Very rare 37,226


Trivia

  • *The name is a play on "kilowatt", a unit of power, with the word "killer" included to imply their hostility, or that they may give a deadly amount of watts.
  • During Enlightened Journey, and while unlocking routes for the Balloon transport system, some killerwatts can be seen standing on top of clouds, trees, rocks and buildings. Despite this, they cannot be fought anywhere outside of the killerwatt plane.


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