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Mutated zygomite icon

Ancient Zygomites are stronger variants of mutated zygomites that require level 57 Slayer to harm. They are found exclusively on Fossil Island in the Mushroom Forest. Ancient zygomites cannot be killed unless a fungicide spray has been used to deliver the final blow. They first appear as non-attackable Ancient Fungi, which players must pick in order to provoke them out of the ground. Players who have been given a mutated zygomite Slayer assignment can choose to kill them as an alternative for the task.

Strengths and weaknesses

Ancient Fungi

Ancient Zygomites use both magic-based melee attacks and magic-based ranged. Armour with a low magic defence bonus such as rune will typically have a higher chance of being hit, therefore dragonhide armour is strongly recommended while fighting them, as its higher magic defence will reduce the chance of being damaged. If praying against their attacks, Protect from Missiles is recommended, as their ranged attacks are stronger and more accurate than their melee attacks.

Drops

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

100%

Item Quantity Rarity GE market price
Mort myre fungus Mort myre fungus 1–2 Always 629–1,258

Weapons

Item Quantity Rarity GE market price
Rune axe Rune axe 1 Uncommon (~1/40) 7,350

Runes/Talismans

Item Quantity Rarity GE market price
Earth rune Earth rune 100 Common (~1/8) 500
Law rune Law rune 15 Common (~1/20) 4,230
Cosmic rune Cosmic rune 15 Common (~1/20) 2,640
Nature rune Nature rune 15 Common (~1/20) 3,885

Seeds

Item Quantity Rarity GE market price
Mushroom spore 5 Mushroom spore 1 Common (~1/10) 36
Teak seed 5 Teak seed 1 Rare 330
Maple seed 5 Maple seed 1 Rare 39,051
Willow seed 5 Willow seed 1 Rare 6,034
Palm tree seed 5 Palm tree seed 1 Rare 49,418
Mahogany seed 5 Mahogany seed 1 Rare 7,851
Yew seed 5 Yew seed 1 Rare 92,375
Herb seed 5 Ranarr seed 1 Rare 52,356
Herb seed 5 Snapdragon seed 1 Rare 61,861
Magic seed 5 Magic seed 1 Very rare 171,895
Spirit seed 5 Spirit seed 1 Very rare Not sold

Herbs

Item Quantity Rarity GE market price
Grimy kwuarm Grimy kwuarm 1–2 (noted) Common (~1/20) 1,325–2,650
Grimy torstol Grimy torstol 1 Common (~1/20) 8,607
Grimy cadantine Grimy cadantine 1–2 (noted) Uncommon (~1/30) 1,283–2,566
Grimy dwarf weed Grimy dwarf weed 1–2 (noted) Uncommon (~1/30) 825–1,650
Grimy lantadyme Grimy lantadyme 1 (noted) Uncommon (~1/40) 1,174

Fossils

Item Quantity Rarity GE market price
Numulite 25 Numulite 7–19 Common (9/25; 36%) 105–285
Unidentified small fossil Unidentified small fossil 1 Uncommon (1/50) Not sold
Unidentified medium fossil Unidentified medium fossil 1 Rare (1/100) Not sold
Unidentified large fossil Unidentified large fossil 1 Rare (1/125) Not sold
Unidentified rare fossil Unidentified rare fossil 1 Rare (1/500) Not sold

Other

Item Quantity Rarity GE market price
Pyrophosphite Pyrophosphite 1 Common (~1/6)[2] 40
Calcite Calcite 1 Common (~1/6)[2] 39
Supercompost Supercompost 2 (noted) Common (~1/10) 1,334
Gem drop table Gem drop table 1 Common (~1/20) Not sold
Mort myre fungus Mort myre fungus 5 (noted) Uncommon 3,145
Volcanic ash Volcanic ash 2 Uncommon (~1/48) 792
Clue scroll (medium) Clue scroll (medium) 1 Rare (~1/128) Not sold
  1. 1000 kill drop log
  2. 2.0 2.1 Pyrophosphite and Calcite are dropped together.

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 Uncommon 849
Uncut emerald Uncut emerald 1 Rare 875
Uncut ruby Uncut ruby 1 Rare 1,590
Rare drop table talisman Unknown talisman
(please specify)
1 Rare Error
Uncut diamond Uncut diamond 1 Very rare 2,960
Rune javelin Rune javelin 5 Very rare 715
Loop half of key Loop half of key 1 Very rare 8,066
Tooth half of key Tooth half of key 1 Very rare 13,358
Rune spear Rune spear 1 Very rare 12,119
Shield left half Shield left half 1 Very rare 65,522
Dragon spear Dragon spear 1 Very rare 37,304