Thermonuclear smoke devil

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This article is about the boss. For the Slayer monster, see Smoke devil.
Not to be confused with Nuclear smoke devil.
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All information on mechanics and strategy will be on this page.

The Thermonuclear smoke devil, often referred to as Thermy, is the boss version of the Smoke devil, found in the Smoke Devil Dungeon. These require a minimum of 93 Slayer to kill. Located at the Smoke Devil Dungeon south of Castle Wars, the Thermonuclear smoke devil can only be attacked on a smoke devil task, with the exception of one kill for the Western Provinces Diary (provided that the player has 93 Slayer without boosting).

It is the only monster to drop the Smoke battlestaff and the pet smoke devil. Their non-boss variants also has a chance to drop the occult necklace, but at a lower drop chance.

A dwarf multicannon cannot be used inside the boss room. If attempted, the cannon will be destroyed (similar to areas like at KBD or KQ).

Drops[edit | edit source]

Estimated drop rates are based off 2,000 kills.[1]

100% drops[edit | edit source]

Item Quantity Rarity GE market price
Ashes.png Ashes 1 Always 30

Weapons[edit | edit source]

Item Quantity Rarity GE market price
Rune dagger.png Rune dagger 1 Uncommon (~5/128) 4,520
Rune battleaxe.png Rune battleaxe 1 Uncommon (~3/128) 24,591
Mystic air staff.png Mystic air staff 1 Uncommon (~3/128) 25,148
Mystic fire staff.png Mystic fire staff 1 Uncommon (~3/128) 25,127
Rune scimitar.png Rune scimitar 1 Uncommon (~2/128) 15,073
Dragon scimitar.png Dragon scimitar 1 Rare (~1/128) 59,615
Ancient staff.png Ancient staff 1 Rare (1/129)[2] 71,461
Smoke battlestaff.png Smoke battlestaff 1 Rare (1/512) 2,903,626

Armour[edit | edit source]

Item Quantity Rarity GE market price
Red d'hide body.png Red d'hide body 1 Uncommon (~3.5/128) 6,312
Rune chainbody.png Rune chainbody 1 Uncommon (~3/128) 29,612
Occult necklace.png Occult necklace 1 Rare (1/350) 653,393
Dragon chainbody.png Dragon chainbody 1 Very rare (1/2,000) 1,062,872

Runes/Ammunition[edit | edit source]

Item Quantity Rarity GE market price
Smoke rune.png Smoke rune 100 Common (~9/128) 3,900
Air rune.png Air rune 300 Common (~8/128) 1,500
Soul rune.png Soul rune 60 Common (~7/128) 8,760
Rune arrow 5.png Rune arrow 100 Uncommon (~2/128) 6,300
Rune knife(p++).png Rune knife(p++) 50 Rare (~0.5/128) 30,800

Seeds[edit | edit source]

Item Quantity Rarity GE market price
Snapdragon seed 5.png Snapdragon seed 2 Uncommon (~2/128) 123,378
Magic seed 5.png Magic seed 1 Rare (~1/128) 183,529

Materials[edit | edit source]

Item Quantity Rarity GE market price
Pure essence.png Pure essence 300 (noted) Common (~5/128) 1,200
Desert goat horn.png Desert goat horn 50 (noted) Uncommon (~2/128) 29,250
Molten glass.png Molten glass 100 (noted) Uncommon (~2/128) 21,300
Mithril bar.png Mithril bar 20 (noted) Uncommon (~2/128) 15,660
Grimy toadflax.png Grimy toadflax 15 (noted) Uncommon (~2/128) 25,605
Coal.png Coal 150 (noted) Uncommon (~2/128) 35,700
Onyx bolt tips 5.png Onyx bolt tips 12 Uncommon (~2/128) 101,712
Magic logs.png Magic logs 20 (noted) Uncommon (~2/128) 22,020
Gold ore.png Gold ore 200 (noted) Uncommon (~2/128) 69,000
Grapes.png Grapes 100 (noted) Rare (~1/128) 17,000
Diamond.png Diamond 10 (noted) Rare (~1/128) 20,080

Consumables[edit | edit source]

Item Quantity Rarity GE market price
Ugthanki kebab.png Ugthanki kebab 3 Uncommon (~4.5/128) 2,307
Tuna potato.png Tuna potato 3 Uncommon (~3.5/128) 3,885
Sanfew serum(4).png Sanfew serum(4) 2 Uncommon (~3/128) 42,446
Prayer potion(4).png Prayer potion(4) 2 Rare (~1/128) 21,034

Other[edit | edit source]

Item Quantity Rarity GE market price
Coins 10000.png Coins 10,000–20,000 Common (~14/128) Not sold
Tinderbox.png Tinderbox 1 Common (~9.5/128) 74
Bullseye lantern.png Bullseye lantern (unlit) 1 Uncommon (~4/128) 1,252
Fire talisman.png Fire talisman 1 Uncommon (~4/128) 2,673
Gem drop table.png Gem drop table 1 Uncommon (~3/128) Not sold
Dragonstone ring.png Dragonstone ring 1 Uncommon (~1.5/128) 12,100
Crystal key.png Crystal key 1 Rare (1/128)[3] 23,030

Tertiary drops[edit | edit source]

Item Quantity Rarity GE market price
Clue scroll (hard).png Clue scroll (hard) 1 Uncommon (1/96) Not sold
Clue scroll (elite).png Clue scroll (elite) 1 Rare (1/500) Not sold
Pet smoke devil.png Pet smoke devil 1 Very rare (1/3,000) Not sold

Gem drop table

In addition to the drops above, this monster approximately has a 3/128 chance to access the gem drop table.

Show/hide gem drop table
Item Quantity Rarity GE market price
Uncut sapphire.png Uncut sapphire 1 Rare
(1/170.67; 1/128)[G 1]
859
Uncut emerald.png Uncut emerald 1 Rare
(1/341.33; 1/256)[G 1]
900
Uncut ruby.png Uncut ruby 1 Rare
(1/682.67; 1/512)[G 1]
1,545
Nature talisman.png Nature talisman 1 Very rare
(1/1,820.44; 1/1,365.33)[G 1]
810
Uncut diamond.png Uncut diamond 1 Very rare
(1/2,730.67; 1/2,048)[G 1]
3,016
Rune javelin.png Rune javelin 5 Very rare
(1/5,461.33; 1/4,096)[G 1]
750
Loop half of key.png Loop half of key 1 Very rare
(1/5,461.33; 1/4,096)[G 1]
8,562
Tooth half of key.png Tooth half of key 1 Very rare
(1/5,461.33; 1/4,096)[G 1]
13,634
Rune spear.png Rune spear 1 Very rare
(1/87,381.33; 1/7,680)[G 1]
12,091
Shield left half.png Shield left half 1 Very rare
(1/174,762.67; 1/15,360)[G 1]
65,694
Dragon spear.png Dragon spear 1 Very rare
(1/233,016.89; 1/20,480)[G 1]
37,233
  1. 1.00 1.01 1.02 1.03 1.04 1.05 1.06 1.07 1.08 1.09 1.10 The drop rate is increased when wearing a Ring of wealth.


Konar's drop table[edit | edit source]

If killed on a Slayer assignment by Konar quo Maten, this monster has a 1 in 59.8[k 1] chance to access an extra loot table. This averages to an additional 1,530.7 worth of items per kill while on task.

Show/hide Konar's drop table
Item Quantity Rarity GE market price
Uncut diamond.png Uncut diamond 25–35 (noted) Rare (1/742) 75,400–105,560
Uncut ruby.png Uncut ruby 25–35 (noted) Rare (1/742) 38,625–54,075
Coal.png Coal 300–500 (noted) Rare (1/742) 71,400–119,000
Coins 10000.png Coins 50,000–150,000 Rare (1/742) Not sold
Gold ore.png Gold ore 100–200 (noted) Rare (1/927) 34,500–69,000
Adamant bolts(unf) 5.png Adamant bolts(unf) 200–300 Rare (1/927) 39,200–58,800
Runite bolts (unf) 5.png Runite bolts (unf) 200–300 Rare (1/927) 61,400–92,100
Dragon arrowtips.png Dragon arrowtips 50–200 Rare (1/927) 69,250–277,000
Iron ore.png Iron ore 350–500 (noted) Very rare (1/1,236) 52,850–75,500
Rune full helm.png Rune full helm 1–2 (noted) Very rare (1/1,236) 20,726–41,452
Rune platelegs.png Rune platelegs 1–2 (noted) Very rare (1/1,236) 37,967–75,934
Rune platebody.png Rune platebody 1–2 (noted) Very rare (1/1,236) 38,590–77,180
Lobster.png Fish (scales to Fishing icon.png level) Varies Very rare (1/1,236) Not sold
Runite ore.png Runite ore 10–15 (noted) Very rare (1/1,854) 110,810–166,215
Palm tree seed 5.png Palm tree seed 1–4 Very rare (1/3,708) 51,451–205,804
Magic seed 5.png Magic seed 1–4 Very rare (1/3,708) 183,529–734,116
Celastrus seed 5.png Celastrus seed 1–4 Very rare (1/3,708) 54,301–217,204
Dragonfruit tree seed 5.png Dragonfruit tree seed 1–4 Very rare (1/3,708) 69,814–279,256
Redwood tree seed 5.png Redwood tree seed 1 Very rare (1/3,708) 77,570
Torstol seed 5.png Torstol seed 1–4 Very rare (1/3,708) 72,217–288,868
Snapdragon seed 5.png Snapdragon seed 1–4 Very rare (1/3,708) 61,689–246,756
Ranarr seed 5.png Ranarr seed 1–4 Very rare (1/3,708) 53,900–215,600
Pure essence.png Pure essence 3,000–5,000 (noted) Very rare (1/3,708) 12,000–20,000
Broken dragon hasta.png Broken dragon hasta 1 Very rare (1/11,960) 171,579
Mystic robe top (dusk).png Mystic robe top (dusk) 1 Very rare (1/59,800) 134,533
Mystic robe bottom (dusk).png Mystic robe bottom (dusk) 1 Very rare (1/59,800) 73,830
Mystic gloves (dusk).png Mystic gloves (dusk) 1 Very rare (1/59,800) 15,792
Mystic boots (dusk).png Mystic boots (dusk) 1 Very rare (1/59,800) 16,371
Mystic hat (dusk).png Mystic hat (dusk) 1 Very rare (1/59,800) 26,908
  1. Jagex. Mod Kieren's Twitter account. 16 January 2019.

Trivia[edit | edit source]

  • The thermonuclear smoke devil was graphically updated on 27 September 2018 as part of a update. Prior to the update, it was simply a larger version of the smoke devils scattered across the dungeon.

References[edit | edit source]