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Lobstrosity
Lobstrosity
Release date 7 September 2017 (Update)
Members? Yes
Combat level 68
Always drops Raw lobster
Examine
An extremely vicious lobster type thing.
Combat info
Hitpoints 50
Aggressive Yes
Poisonous No
Max hit 9
Weakness Crush
Attack Styles
Melee (stab)
Slayer-icon Slayer info
Not assigned
Combat-icon Combat stats
Attack-icon Strength-icon Defence-icon Ranged-icon Magic-icon
60 80 40 1 1
Attack-icon Aggressive stats
White dagger White scimitar White warhammer Magic-icon Ranged-icon
+0 +0 +0 +0 +0
Defence-icon Defensive stats
White dagger White scimitar White warhammer Magic-icon Ranged-icon
+30 +50 +15 +99 +70
Other bonuses Immunities
Strength-icon RangedStrength-icon Attack-icon Poison hitsplat Venom hitsplat
+0 +0 +0 Not immune Not immune
Attack speed
Monster attack speed 6

Lobstrosities are giant lobsters located in the southeast corner of the Underwater area of Fossil Island. Most weapons and shields cannot be equipped in this area. Weapons that can be equipped and used to kill lobstrosities include the trident of the seas/swamp and the brine sabre.

A fishbowl helmet cannot be worn in this area, but players can easily use the nearby air bubbles to replenish oxygen while fighting lobstrosities.

DropsEdit

100%Edit

Item Quantity Rarity GE market price
Raw lobster Raw lobster 1 Always 107

RunesEdit

Item Quantity Rarity GE market price
Water rune Water rune 100 Common 500
Chaos rune Chaos rune 20 Uncommon 1,880
Nature rune Nature rune 10 Uncommon 2,200
Death rune Death rune 10 Uncommon 2,130

SeedsEdit

Item Quantity Rarity GE market price
Seaweed spore 5 Seaweed spore 1 Uncommon 147
Limpwurt seed 5 Limpwurt seed 1 Uncommon 52
Strawberry seed 5 Strawberry seed 1 Uncommon 3
Watermelon seed 5 Watermelon seed 1 Uncommon 298
Whiteberry seed 5 Whiteberry seed 1 Uncommon 34
Jangerberry seed 5 Jangerberry seed 1 Uncommon 2
Poison ivy seed 5 Poison ivy seed 1 Uncommon 428
Wildblood seed 5 Wildblood seed 1 Uncommon 31
Cactus seed 5 Cactus seed 1 Uncommon 411
Belladonna seed 5 Belladonna seed 1 Uncommon 40
Herb seed 5 Marrentill seed 1 Uncommon 6
Herb seed 5 Tarromin seed 1 Uncommon 5
Herb seed 5 Harralander seed 1 Uncommon 32
Herb seed 5 Toadflax seed 1 Uncommon 732
Herb seed 5 Avantoe seed 1 Uncommon 1,007
Herb seed 5 Ranarr seed 1 Rare 32,728
Herb seed 5 Snapdragon seed 1 Rare 39,171
Herb seed 5 Dwarf weed seed 1 Very rare 277
Herb seed 5 Torstol seed 1 Very rare 65,252

HerbsEdit

The herbs dropped vary between noted and unnoted.

Item Quantity Rarity GE market price
Grimy guam leaf Grimy guam leaf 1 Common 8
Grimy marrentill Grimy marrentill 1 Common 19
Grimy tarromin Grimy tarromin 1 Common 103
Grimy harralander Grimy harralander 1 Uncommon 514
Grimy ranarr weed Grimy ranarr weed 1 Uncommon 7,073
Grimy irit leaf Grimy irit leaf 1 Uncommon 825
Grimy avantoe Grimy avantoe 1 Uncommon 2,154
Grimy kwuarm Grimy kwuarm 1 Uncommon 2,237
Grimy cadantine Grimy cadantine 1 Uncommon 1,686
Grimy lantadyme Grimy lantadyme 1 Uncommon 1,710
Grimy dwarf weed Grimy dwarf weed 1 Uncommon 843

OtherEdit

Item Quantity Rarity GE market price
Numulite 25 Numulite 5–14 Common 80–224
Coins 1000 Coins 1,000 Common Not sold
Pufferfish Pufferfish 1 Common Not sold
Seaweed Seaweed 6 (noted) Uncommon 336
Giant seaweed Giant seaweed 6 (noted) Uncommon 4,938
Toad's legs Toad's legs 2 (noted) Uncommon 768
Caviar Caviar 2 (noted) Uncommon 326
Oyster pearls Oyster pearls 1 Uncommon 1,781
Clue scroll (easy) Clue scroll (easy) 1 Rare Not sold
Unidentified small fossil Unidentified small fossil 1 Rare Not sold
Unidentified medium fossil Unidentified medium fossil 1 Rare Not sold
Unidentified large fossil Unidentified large fossil 1 Rare Not sold
Unidentified rare fossil Unidentified rare fossil 1 Rare Not sold

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 1000 Coins 3,000 Common Not sold
Loop half of key Loop half of key 1 Common 7,286
Tooth half of key Tooth half of key 1 Common 18,464
Chaos talisman Chaos talisman 1 Common 239
Uncut sapphire Uncut sapphire 1 Common 816
Uncut emerald Uncut emerald 1 Uncommon 801
Uncut ruby Uncut ruby 1 Uncommon 1,598
Nature talisman Nature talisman 1 Uncommon 474
Steel arrow 5 Steel arrow 150 Uncommon 4,800
Rune arrow 5 Rune arrow 42 Uncommon 2,688
Rune javelin Rune javelin 5 Uncommon 635
Adamant javelin Adamant javelin 20 Uncommon 1,120
Runite bar Runite bar 1 Uncommon 12,559
Nature rune Nature rune 67 Uncommon 14,740
Law rune Law rune 45 Uncommon 9,495
Death rune Death rune 45 Uncommon 9,585
Rune battleaxe Rune battleaxe 1 Uncommon 24,578
Rune 2h sword Rune 2h sword 1 Uncommon 37,936
Rune sq shield Rune sq shield 1 Uncommon 22,608
Silver ore Silver ore 100 (noted) Uncommon 7,300
Dragonstone Dragonstone 1 Uncommon 16,177
Uncut diamond Uncut diamond 1 Rare 3,314
Dragon med helm Dragon med helm 1 Rare 59,160
Rune kiteshield Rune kiteshield 1 Rare 32,202
Rune spear Rune spear 1 Rare 12,037
Shield left half Shield left half 1 Rare 65,281
Dragon spear Dragon spear 1 Rare 37,877


Trivia Edit

  • Lobstrosity could be a reference to the Dark Tower series by Stephen King where creatures of the same name appear in the second book, The Drawing of the Three.

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