|Release date||20 February 2006 (Update)|
| A ball of electrical energy.
An angry electrical shock!
Warning: Users with photosensitive epilepsy should not attempt to go in the portal where these monsters reside, due to the flashing lights and strobes inside. Professor Oddenstein will mention this warning prior to entering the killerwatt plane.
Killerwatts are Slayer monsters located through a portal on the top floor of Draynor Manor that require level 37 Slayer to kill as well as completing Ernest the Chicken. Players are suggested to wear insulated boots to enter the Killerwatt plane and to fight them; if you are not wearing insulated boots before you enter the portal, Professor Oddenstein will warn the player, giving them the option of whether or not to go in. If you put them on after you are inside, you will get hit for 1-14 Hitpoints by the thunderclouds inside the area.
Note: 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 prayer to safely complete this Slayer task. As usual, using the Protect from Melee prayer will prevent all Melee damage if a player has brought high Ranged Defence gear. The Protect from Missiles prayer will prevent all Ranged damage. Their Ranged attack is magic-based, and thus high Magic Defence armour such as dragonhide will provide the best defence against the Ranged attack.
There is a way to prevent the killerwatts from using their Ranged attack effectively greatly reducing their damage rate, and allowing you to fight them in metal armours. They will not attack you with Ranged attacks unless you strike first. Therefore, when using a Melee weapon, you can click the killerwatt from a distance, and then click the ground to stop moving towards the killerwatt. Turning run off will make it much easier to stop yourself before you strike the killerwatt. This will make the killerwatt aggressive to you, and it will approach and attack you in melee, striking you first. With auto-retaliate on, you can retaliate without triggering their Ranged attack. If you accidentally strike a killerwatt first, you can use Protect from Missiles and/or retreat through the portal. After returning through the portal, the killerwatt will no longer be aggressive towards you, but you also can not attack it without triggering its Ranged attacks until it reverts to its base form.
Killerwatts are often skipped because of their high difficulty for their level.
100% drop Edit
Item Quantity Rarity GE market price Ashes 1 Always 40
Item Quantity Rarity GE market price Staff of fire 1 Uncommon 833 Staff of air 1 Uncommon 1,822 Fire battlestaff 1 Uncommon 9,207 Air battlestaff 1 Uncommon 9,108 Mystic fire staff 1 Uncommon 27,730
Item Quantity Rarity GE market price Grimy guam leaf 1 Common 11 Grimy marrentill 1 Common 8 Grimy tarromin 1 Common 81 Grimy harralander 1 Common 426 Grimy ranarr weed 1 Uncommon 7,683 Grimy irit leaf 1 Uncommon 972 Grimy avantoe 1 Uncommon 2,040 Grimy kwuarm 1 Uncommon 2,231 Grimy cadantine 1 Uncommon 1,465 Grimy lantadyme 1 Rare 1,715 Grimy dwarf weed 1 Rare 1,448
Item Quantity Rarity GE market price Air rune 5; 17 Common 25–85 Fire rune 18; 45 Common 90–225 Nature rune 8; 37 Uncommon 2,216–10,249 Chaos rune 4 Uncommon 408 Death rune 2 Uncommon 518 Steam rune 2 Uncommon 140
Item Quantity Rarity GE market price Coins 11–21; 44; 127; 156; 200 Common Not sold Cannonball 3 Uncommon 660 Fire orb 2 Uncommon 2,914 Soda ash 4 Uncommon 332
Rare drop table
In addition to the drops above, this monster also has access to the rare drop table.
Show/hide rare drop table Item Quantity Rarity GE market price Coins 3,000 Common Not sold Uncut sapphire 1 Common 1,849 Loop half of key 1 Common 8,242 Tooth half of key 1 Common 27,869 Uncut emerald 1 Uncommon 1,879 Uncut ruby 1 Uncommon 1,908 Nature talisman 1 Uncommon 492 Chaos talisman 1 Uncommon 307 Nature rune 67 Uncommon 18,559 Runite bar 1 Uncommon 13,687 Rune spear 1 Rare 12,404 Rune battleaxe 1 Rare 26,843 Rune 2h sword 1 Rare 41,336 Uncut diamond 1 Rare 3,744 Rune javelin 5 Rare 645 Silver ore 100 (noted) Rare 8,900 Adamant javelin 20 Rare 1,000 Rune sq shield 1 Rare 24,950 Steel arrow 150 Rare 4,950 Rune arrow 42 Rare 4,662 Law rune 45 Rare 9,225 Death rune 45 Rare 11,655 Dragonstone 1 Rare 25,874 Rune kiteshield 1 Rare 36,202 Dragon med helm 1 Rare 63,808 Shield left half 1 Very rare 73,798 Dragon spear 1 Very rare 43,290
|Fremennik Slayer Dungeon|
|Lumbridge Swamp Caves|
|God Wars Dungeon (Wilderness)|
|Stronghold Slayer Cave|
|Catacombs of Kourend|
Desert Lizard • Mogre • Harpie Bug Swarm • Killerwatt • Molanisk • Terror dog • Sea snake (Young) (Hatchling) • Brine rat • Fever spider • Mutated zygomite • Cave horror • Dust devil • Skeletal Wyvern • Dark beast • Cerberus