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Fossil Island wyverns icon

Long-tailed Wyverns are Slayer monsters that require a Slayer level of 66 in order to be harmed. They reside in the Wyvern Cave on Fossil Island. Like other Wyverns, they require an elemental, mind, dragonfire or ancient wyvern shield to be equipped in order to be slain.

Drops

100%

Item Quantity Rarity GE market price
Wyvern bones Wyvern bones 1 Always 2,939

Weapons/Armour

Item Quantity Rarity GE market price
Adamant full helm Adamant full helm 1 Uncommon 1,839
Battlestaff Battlestaff 3–5 (noted) Uncommon 23,919–39,865
Mithril kiteshield Mithril kiteshield 1 Uncommon 1,032
Air battlestaff Air battlestaff 1 Uncommon 8,927
Adamant crossbow (u) Adamant crossbow (u) 1 Uncommon 1,354
Adamant battleaxe Adamant battleaxe 1 Uncommon 2,123
Rune pickaxe Rune pickaxe 1 Uncommon 18,743
Adamant platebody Adamant platebody 1 Uncommon 9,467
Granite longsword Granite longsword 1 Rare (1/512) 25,885
Granite boots Granite boots 1 Very rare (1/2,560) 808,370

Materials

Item Quantity Rarity GE market price
Pure essence Pure essence 150 (noted) Common 300
Teak logs Teak logs 35 (noted) Common 4,585
Snape grass Snape grass 10–15 (noted) Common 1,920–2,880
Coal Coal 25 (noted) Common 3,225
Adamantite bar Adamantite bar 1–4 (noted) Uncommon 1,926–7,704
Runite ore Runite ore 1–2 (noted) Uncommon 11,123–22,246

Runes and Ammunition

Item Quantity Rarity GE market price
Water rune Water rune 50 Common 250
Air rune Air rune 25 Common 125
Law rune Law rune 15 Common 2,280
Adamant arrow 5 Adamant arrow 38–42 Uncommon 2,660–2,940
Soul rune Soul rune 10 Uncommon 1,450
Blood rune Blood rune 15 Uncommon 5,010
Chaos rune Chaos rune 15 Uncommon 960
Death rune Death rune 15 Uncommon 3,240
Runite bolts 5 Runite bolts 12–29 Rare 5,844–14,123

Herbs

Item Quantity Rarity GE market price
Grimy ranarr weed Grimy ranarr weed 1 Uncommon 8,568
Grimy kwuarm Grimy kwuarm 2 (noted) Uncommon 2,854
Grimy cadantine Grimy cadantine 2 (noted) Uncommon 2,988
Grimy lantadyme Grimy lantadyme 2 (noted) Uncommon 3,334
Grimy torstol Grimy torstol 1 Uncommon 8,069

Seeds

Item Quantity Rarity GE market price
Watermelon seed 5 Watermelon seed 15 Uncommon 1,290
Seaweed spore 5 Seaweed spore 3–12 Uncommon 954–3,816
Herb seed 5 Torstol seed 1 Rare 62,133
Herb seed 5 Ranarr seed 1 Rare 54,251
Yew seed 5 Yew seed 1 Rare 75,150
Mahogany seed 5 Mahogany seed 1 Rare 4,028
Magic seed 5 Magic seed 1 Rare 139,023
Spirit seed 5 Spirit seed 1 Rare Not sold

Fossils

Item Quantity Rarity GE market price
Numulite 25 Numulite 1–21 Common (18/35=51%) 19–399
Unidentified small fossil Unidentified small fossil 1 Uncommon (1/35=2.9%) Not sold
Unidentified medium fossil Unidentified medium fossil 1 Uncommon (1/70=1.4%) Not sold
Unidentified large fossil Unidentified large fossil 1 Uncommon (2/175=1.14%) Not sold
Unidentified rare fossil Unidentified rare fossil 1 Rare (1/350=0.28%) Not sold

Other

Item Quantity Rarity GE market price
Lobster Lobster 2 Common 304
Coins 1000 Coins 3,000 Common Not sold
Prayer potion(4) Prayer potion(4) 1 Uncommon 11,346
Calcite Calcite 2 Uncommon 72
Pyrophosphite Pyrophosphite 2 Uncommon 222
Clue scroll (hard) Clue scroll (hard) 1 Rare Not sold
Wyvern visage Wyvern visage 1 Very rare (1/12,000) 16,731,091

Trivia

  • They appear to use all attack styles when using melee, depending on the animation they use: slashing when they use their talons, stabbing when they jab with their tail and crushing when they bite the target.
  • Upon release, the wyvern's Defence level was 120. This was reduced to 90 in an update on 18 January 2018. This also changed its combat level from 159 to 152.
  • Upon release, Long-tailed Wyverns only dropped a maximum of 6 seaweed spores. This was increased to 12 in an update on 12 July 2018.


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