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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 Magic icon Ranged 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
Attack icon
Strength icon
Ranged Strength icon
Magic Damage icon
Poison hitsplat
Venom hitsplat
+0 +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 180

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 1,900
Death rune Death rune 10 Uncommon 2,180

SeedsEdit

This monsters drops seeds from the allotment seed drop table.

Item Quantity Rarity GE market price
Seaweed spore 5 Seaweed spore 1 Uncommon 133
Limpwurt seed 5 Limpwurt seed 1 Uncommon 54
Strawberry seed 5 Strawberry seed 1 Uncommon 6
Herb seed 5 Marrentill seed 1 Uncommon 5
Jangerberry seed 5 Jangerberry seed 1 Uncommon 2
Herb seed 5 Tarromin seed 1 Uncommon 7
Wildblood seed 5 Wildblood seed 1 Uncommon 397
Watermelon seed 5 Watermelon seed 1 Rare 295
Herb seed 5 Harralander seed 1 Rare 36
Herb seed 5 Ranarr seed 1 Rare 37,126
Whiteberry seed 5 Whiteberry seed 1 Rare 38
Mushroom spore 5 Mushroom spore 1 Rare 47
Herb seed 5 Toadflax seed 1 Rare 2,174
Herb seed 5 Irit seed 1 Rare 49
Belladonna seed 5 Belladonna seed 1 Rare 58
Poison ivy seed 5 Poison ivy seed 1 Rare 517
Cactus seed 5 Cactus seed 1 Rare 257
Herb seed 5 Avantoe seed 1 Rare 1,321
Herb seed 5 Kwuarm seed 1 Rare 927
Herb seed 5 Snapdragon seed 1 Very rare 46,367
Herb seed 5 Cadantine seed 1 Very rare 791
Herb seed 5 Lantadyme seed 1 Very rare 1,895
Herb seed 5 Dwarf weed seed 1 Very rare 589
Herb seed 5 Torstol seed 1 Very rare 74,615

HerbsEdit

The herbs dropped vary between noted and unnoted.

Item Quantity Rarity GE market price
Grimy guam leaf Grimy guam leaf 1 Common 13
Grimy marrentill Grimy marrentill 1 Common 12
Grimy tarromin Grimy tarromin 1 Common 142
Grimy harralander Grimy harralander 1 Uncommon 638
Grimy ranarr weed Grimy ranarr weed 1 Uncommon 7,020
Grimy irit leaf Grimy irit leaf 1 Uncommon 884
Grimy avantoe Grimy avantoe 1 Uncommon 2,139
Grimy kwuarm Grimy kwuarm 1 Uncommon 2,020
Grimy cadantine Grimy cadantine 1 Uncommon 1,269
Grimy lantadyme Grimy lantadyme 1 Uncommon 1,586
Grimy dwarf weed Grimy dwarf weed 1 Uncommon 675

OtherEdit

Item Quantity Rarity GE market price
Numulite 25 Numulite 5–14 Common (9/35; 26%) 100–280
Coins 1000 Coins 1,000 Common Not sold
Pufferfish Pufferfish 1 Common Not sold
Seaweed Seaweed 6 (noted) Uncommon 318
Giant seaweed Giant seaweed 6 (noted) Uncommon 3,444
Toad's legs Toad's legs 2 (noted) Uncommon 870
Caviar Caviar 2 (noted) Uncommon 334
Oyster pearls Oyster pearls 1 Uncommon 654
Unidentified small fossil Unidentified small fossil 1 Uncommon (1/70=1.4%) Not sold
Unidentified medium fossil Unidentified medium fossil 1 Rare (1/140=0.71%) Not sold
Unidentified large fossil Unidentified large fossil 1 Rare (1/175=0.57%) Not sold
Unidentified rare fossil Unidentified rare fossil 1 Rare (1/700=0.14%) Not sold
Clue scroll (easy) Clue scroll (easy) 1 Rare Not sold

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 Rare 801
Uncut emerald Uncut emerald 1 Rare 726
Uncut ruby Uncut ruby 1 Rare 1,502
Nature talisman Nature talisman 1 Very rare 688
Uncut diamond Uncut diamond 1 Very rare 3,185
Rune javelin Rune javelin 5 Very rare 770
Loop half of key Loop half of key 1 Very rare 6,481
Tooth half of key Tooth half of key 1 Very rare 15,361
Rune spear Rune spear 1 Very rare 12,051
Shield left half Shield left half 1 Very rare 65,349
Dragon spear Dragon spear 1 Very rare 37,525


TriviaEdit