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Killerwatt icon

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).

Killerwatt (docile)

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 Ashes 1 Always 37

Weapons/Armour

Item Quantity Rarity GE market price
Staff of fire Staff of fire 1 Uncommon 1,343
Staff of air Staff of air 1 Uncommon 1,778
Fire battlestaff Fire battlestaff 1 Uncommon 8,909
Air battlestaff Air battlestaff 1 Uncommon 8,882
Mystic fire staff Mystic fire staff 1 Uncommon 25,176

Herbs

Item Quantity Rarity GE market price
Grimy guam leaf Grimy guam leaf 1 Common 10
Grimy marrentill Grimy marrentill 1 Common 13
Grimy tarromin Grimy tarromin 1 Common 141
Grimy harralander Grimy harralander 1 Common 622
Grimy ranarr weed Grimy ranarr weed 1 Uncommon 7,771
Grimy irit leaf Grimy irit leaf 1 Uncommon 898
Grimy avantoe Grimy avantoe 1 Uncommon 2,021
Grimy kwuarm Grimy kwuarm 1 Uncommon 1,327
Grimy cadantine Grimy cadantine 1 Uncommon 1,694
Grimy lantadyme Grimy lantadyme 1 Rare 1,695
Grimy dwarf weed Grimy dwarf weed 1 Rare 499

Runes

Item Quantity Rarity GE market price
Air rune Air rune 5; 17 Common 25–85
Fire rune Fire rune 18; 45 Common 90–225
Nature rune Nature rune 8; 37 Uncommon 1,968–9,102
Chaos rune Chaos rune 4 Uncommon 252
Death rune Death rune 2 Uncommon 394
Steam rune Steam rune 2 Uncommon 128

Other

Item Quantity Rarity GE market price
Coins 100 Coins 11–21; 44; 127; 156; 200 Common Not sold
Cannonball Cannonball 3 Uncommon 549
Fire orb Fire orb 2 Uncommon 2,958
Soda ash Soda ash 4 Uncommon 208

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 Uncut sapphire 1 Rare 459
Uncut emerald Uncut emerald 1 Rare 686
Uncut ruby Uncut ruby 1 Rare 1,306
Nature talisman Nature talisman 1 Very rare 690
Uncut diamond Uncut diamond 1 Very rare 2,912
Rune javelin Rune javelin 5 Very rare 885
Loop half of key Loop half of key 1 Very rare 10,149
Tooth half of key Tooth half of key 1 Very rare 9,590
Rune spear Rune spear 1 Very rare 11,884
Shield left half Shield left half 1 Very rare 65,339
Dragon spear Dragon spear 1 Very rare 37,442


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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