Killerwatt

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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 a commonly skipped Slayer task on account of their high damage output compared to their combat level, and the resulting expense of supplies not being offset by their drops.

Strategy[edit | edit source]

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 armour 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).

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[edit | edit source]

Drop rates estimated based on 63,929 kills from the Drop Rate Project, unless otherwise cited.

The average Killerwatt kill is worth 804.02.

100%[edit | edit source]

Item Quantity Rarity Price High Alch
Ashes.png: Killerwatt drops Ashes with rarity Always in quantity 1Ashes1Always561

Weapons[edit | edit source]

Item Quantity Rarity Price High Alch
Staff of fire.png: Killerwatt drops Staff of fire with rarity 2/140 in quantity 1Staff of fire12/1401,422900
Staff of air.png: Killerwatt drops Staff of air with rarity 2/140 in quantity 1Staff of air12/1401,613900
Fire battlestaff.png: Killerwatt drops Fire battlestaff with rarity 1/140 in quantity 1Fire battlestaff11/1408,9039,300
Air battlestaff.png: Killerwatt drops Air battlestaff with rarity 1/140 in quantity 1Air battlestaff11/1408,8939,300
Mystic fire staff.png: Killerwatt drops Mystic fire staff with rarity 1/512 in quantity 1Mystic fire staff11/51225,11725,500

Runes and ammunition[edit | edit source]

Item Quantity Rarity Price High Alch
Air rune.png: Killerwatt drops Air rune with rarity 3/140 in quantity 5Air rune53/1402510
Air rune.png: Killerwatt drops Air rune with rarity 2/140 in quantity 17Air rune172/1408534
Fire rune.png: Killerwatt drops Fire rune with rarity 5/140 in quantity 18Fire rune185/1409036
Fire rune.png: Killerwatt drops Fire rune with rarity 8/140 in quantity 45Fire rune458/14022590
Nature rune.png: Killerwatt drops Nature rune with rarity 11/140 in quantity 8Nature rune811/1401,592864
Nature rune.png: Killerwatt drops Nature rune with rarity 1/140 in quantity 37Nature rune371/1407,3633,996
Chaos rune.png: Killerwatt drops Chaos rune with rarity 9/140 in quantity 4Chaos rune49/140268216
Death rune.png: Killerwatt drops Death rune with rarity 3/140 in quantity 2Death rune23/140408216
Steam rune.png: Killerwatt drops Steam rune with rarity 2/140 in quantity 2Steam rune22/14014024
Cannonball.png: Killerwatt drops Cannonball with rarity 2/140 in quantity 3Cannonball32/1405169

Herbs[edit | edit source]

There is a 35/140 chance of rolling the herb drop table.

Item Quantity Rarity Price High Alch
Grimy guam leaf.png: Killerwatt drops Grimy guam leaf with rarity 1/16 in quantity 1Grimy guam leaf11/16147
Grimy marrentill.png: Killerwatt drops Grimy marrentill with rarity 1/21.3 in quantity 1Grimy marrentill11/21.3158
Grimy tarromin.png: Killerwatt drops Grimy tarromin with rarity 1/28.4 in quantity 1Grimy tarromin11/28.41139
Grimy harralander.png: Killerwatt drops Grimy harralander with rarity 1/36.6 in quantity 1Grimy harralander11/36.65949
Grimy ranarr weed.png: Killerwatt drops Grimy ranarr weed with rarity 1/46.5 in quantity 1Grimy ranarr weed11/46.56,82318
Grimy irit leaf.png: Killerwatt drops Grimy irit leaf with rarity 1/64 in quantity 1Grimy irit leaf11/6468610
Grimy avantoe.png: Killerwatt drops Grimy avantoe with rarity 1/85.3 in quantity 1Grimy avantoe11/85.31,73210
Grimy kwuarm.png: Killerwatt drops Grimy kwuarm with rarity 1/102.4 in quantity 1Grimy kwuarm11/102.41,45912
Grimy cadantine.png: Killerwatt drops Grimy cadantine with rarity 1/128 in quantity 1Grimy cadantine11/1281,32113
Grimy lantadyme.png: Killerwatt drops Grimy lantadyme with rarity 1/170.7 in quantity 1Grimy lantadyme11/170.71,36413
Grimy dwarf weed.png: Killerwatt drops Grimy dwarf weed with rarity 1/170.7 in quantity 1Grimy dwarf weed11/170.749314

Coins[edit | edit source]

Item Quantity Rarity Price High Alch
Coins_5.png: Killerwatt drops Coins with rarity 23/140 in quantity 11Coins1123/1401111
Coins_25.png: Killerwatt drops Coins with rarity 28/140 in quantity 44Coins4428/1404444
Coins_25.png: Killerwatt drops Coins with rarity 1/140 in quantity 76Coins761/1407676
Coins_100.png: Killerwatt drops Coins with rarity 1/140 in quantity 127Coins1271/140127127
Coins_100.png: Killerwatt drops Coins with rarity 11/140 in quantity 200Coins20011/140200200

Other[edit | edit source]

Item Quantity Rarity Price High Alch
Fire orb.png: Killerwatt drops Fire orb with rarity 1/140 in quantity 2Fire orb21/1402,190360
Soda ash.png: Killerwatt drops Soda ash with rarity 1/140 in quantity 4Soda ash41/1401604

Gem drop table[edit | edit source]

There is a 5/140 chance of rolling the gem drop table.

Item Quantity Rarity Price High Alch
This does not exist.NothingN/A1/56.1; Never[d 1]N/AN/A
Uncut sapphire.png: Killerwatt drops Uncut sapphire with rarity 1/112 in quantity 1Uncut sapphire11/112; 1/56.87[d 2]40015
Uncut emerald.png: Killerwatt drops Uncut emerald with rarity 1/224 in quantity 1Uncut emerald11/224; 1/113.75[d 2]65230
Uncut ruby.png: Killerwatt drops Uncut ruby with rarity 1/448 in quantity 1Uncut ruby11/448; 1/227.5[d 2]1,30960
Nature talisman.png: Killerwatt drops Nature talisman with rarity 1/1,194.67 in quantity 1Nature talisman11/1,194.67; 1/606.67[d 2]9292
Uncut diamond.png: Killerwatt drops Uncut diamond with rarity 1/1,792 in quantity 1Uncut diamond11/1,792; 1/910[d 2]2,537120
Loop half of key.png: Killerwatt drops Loop half of key with rarity 1/3,584 in quantity 1Loop half of key11/3,584; 1/1,820[d 2]10,11760
Tooth half of key.png: Killerwatt drops Tooth half of key with rarity 1/3,584 in quantity 1Tooth half of key11/3,584; 1/1,820[d 2]10,36460
Rune javelin.png: Killerwatt drops Rune javelin with rarity 1/3,584 in quantity 5Rune javelin51/3,584; 1/1,820[d 2]8901,200
Rune spear.png: Killerwatt drops Rune spear with rarity 1/57,344 in quantity 1Rune spear11/57,344; 1/3,412.5[d 2][d 3]11,91012,480
Shield left half.png: Killerwatt drops Shield left half with rarity 1/114,688 in quantity 1Shield left half11/114,688; 1/6,825[d 2][d 3]65,25266,000
Dragon spear.png: Killerwatt drops Dragon spear with rarity 1/152,917.33 in quantity 1Dragon spear11/152,917.33; 1/9,100[d 2][d 3]37,41737,440
  1. The "nothing" drop is removed while wearing a ring of wealth.
  2. 2.00 2.01 2.02 2.03 2.04 2.05 2.06 2.07 2.08 2.09 2.10 The drop rate is increased while wearing a ring of wealth due to the "nothing" drop being removed.
  3. 3.0 3.1 3.2 Only dropped if Legends' Quest has been finished; if not, a talisman is dropped instead.

Trivia[edit | edit source]

  • 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.