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Multiple rock crabs

A player in combat with multiple rock crabs.

​Rock Crabs are aggressive monsters that look like harmless rocks while disguised, but attack when walked by. Unlike most other enemies and NPCs, Rock Crabs are not marked with yellow dots on the player's minimap; this is probably due to the crabs' appearance, which camouflages them as rocks.

Players can tell if a rock is a Rock Crab by looking at the rock's shape; Rock Crabs are tall oval shaped while normal rocks in their area are mostly in large clusters of shattered pieces. Another way to tell is by right clicking on them. If the text colour is yellow, it is a Rock Crab. If the text is blue, it is just a prop.

Rock Crabs become docile if the player has not left the surrounding area in a certain amount of time (roughly between ten and twenty-five minutes). To make the crabs aggressive again, exit the surrounding area (halfway to the entrance to the village in Rellekka, or by entering and exiting the entrance to Keldagrim) and enter again. You can also find one Rock Crab that will be aggressive, kill it then you can continue killing other crabs. As they are "dormant" until "awoken" by a passing player, rock crabs cannot be attacked until they are made aggressive once more.

Rock Crabs are excellent for training at all combat levels due to their low Defence and high Hitpoints, though low level players should consider bringing food. Rock Crabs used to be a popular melee training monster until the release of Sand Crabs, and the subsequent release of Ammonite Crabs, which are now more preferred options for training.

Locations

Rellekka Rock Crabs

AvoidCannonFireInRelleka

The spot to avoid cannon fire in Rellekka.

CAUTION: Dwarf multicannons may be used here, unlike with the other types of crabs commonly used for training, This makes training for other players difficult. There is, however, a way to avoid the cannon's fire. If a player moves to the west-most part of the multi-combat zone, most cannon fire can be avoided. There are three rock crab spawns near this location, which makes it a decent spot. Although the cannon's fire can be avoided, it is best to switch to another world when faced with overcrowding.

Drops

Weapons

Item Quantity Rarity GE market price
Bronze pickaxe Bronze pickaxe 1 Common 89
Iron pickaxe Iron pickaxe 1 Common 162
Bronze axe Bronze axe 1 Uncommon 53

Runes and talisman

Item Quantity Rarity GE market price
Fire rune Fire rune 7 Common 35
Nature rune Nature rune 4 Uncommon 824
Chaos rune Chaos rune 1 Rare 99

Others

Item Quantity Rarity GE market price
Coins 250 Coins 4–413 Common Not sold
Oyster Oyster 1–2 Common 57–114
Seaweed Seaweed 1–5 Common 63–315
Oyster pearl Oyster pearl 1 Common 66
Empty oyster Empty oyster 1 Common Not sold
Spinach roll Spinach roll 1 Uncommon Not sold
Knife Knife 1 Uncommon 35
Opal bolt tips 5 Opal bolt tips 5 Uncommon 20
Iron ore Iron ore 1 Uncommon 94
Coal Coal 2 Uncommon 324
Copper ore Copper ore 3 Uncommon 96
Tin ore Tin ore 3 Uncommon 99
Fishing bait Fishing bait 1–10 Uncommon 4–40
Edible seaweed Edible seaweed 2 Rare 84
Jade bolt tips 5 Jade bolt tips 1 Rare 3
Limpwurt root Limpwurt root 1 Rare 898
Grimy ranarr weed Grimy ranarr weed 1 Rare 7,199
Grimy avantoe Grimy avantoe 1 Rare 1,457
Herb seed 5 Tarromin seed 1 Rare 4
Herb seed 5 Ranarr seed 1 Rare 42,424
Clue scroll (easy) Clue scroll (easy) 1 Rare Not sold
Casket Casket 1 Rare 852

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 661
Uncut emerald Uncut emerald 1 Rare 872
Uncut ruby Uncut ruby 1 Rare 1,509
Cosmic talisman Cosmic talisman 1 Very rare 712
Uncut diamond Uncut diamond 1 Very rare 2,838
Rune javelin Rune javelin 5 Very rare 805
Loop half of key Loop half of key 1 Very rare 9,984
Tooth half of key Tooth half of key 1 Very rare 11,768
Rune spear Rune spear 1 Very rare 12,103
Shield left half Shield left half 1 Very rare 65,634
Dragon spear Dragon spear 1 Very rare 37,414


See also