Rock Crab

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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.

However, due to Sand Crabs being very crowded, some players choose to train on Waterbirth Island, as it has multiple convenient spawn locations where a player can stand still and always have 3-4 Rock Crabs attacking them at any moment, making it comparable to the experience rates of Sand Crabs. The player can simply reset the aggressiveness of the Rock Crab by running back to the boat to leave Waterbirth Island, then running back to their desired training spot.

Locations[edit | edit source]

Rellekka Rock Crabs[edit | edit source]

The spot to avoid cannon fire in Rellekka.

Note: Dwarf multicannons may be used here, unlike with the other types of crabs commonly used for training. This can make 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[edit | edit source]

Weapons[edit | edit source]

Item Quantity Rarity GE market price
Bronze pickaxe.png Bronze pickaxe 1 Common 79
Iron pickaxe.png Iron pickaxe 1 Common 147
Bronze axe.png Bronze axe 1 Uncommon 20

Runes and talisman[edit | edit source]

Item Quantity Rarity GE market price
Fire rune.png Fire rune 7 Common 35
Nature rune.png Nature rune 4 Uncommon 1,024
Chaos rune.png Chaos rune 1 Rare 101

Others[edit | edit source]

Item Quantity Rarity GE market price
Coins 250.png Coins 4–413 Common Not sold
Oyster.png Oyster 1–2 Common 63–126
Seaweed.png Seaweed 1–5 Common 70–350
Oyster pearl.png Oyster pearl 1 Common 87
Empty oyster.png Empty oyster 1 Common Not sold
Spinach roll.png Spinach roll 1 Uncommon Not sold
Knife.png Knife 1 Uncommon 32
Opal bolt tips 5.png Opal bolt tips 5 Uncommon 20
Iron ore.png Iron ore 1 Uncommon 151
Coal.png Coal 2 Uncommon 476
Copper ore.png Copper ore 3 Uncommon 135
Tin ore.png Tin ore 3 Uncommon 135
Fishing bait.png Fishing bait 1–10 Uncommon 4–40
Edible seaweed.png Edible seaweed 2 Rare 72
Jade bolt tips 5.png Jade bolt tips 1 Rare 3
Limpwurt root.png Limpwurt root 1 Rare 937
Grimy ranarr weed.png Grimy ranarr weed 1 Rare 7,936
Grimy avantoe.png Grimy avantoe 1 Rare 1,649
Tarromin seed 5.png Tarromin seed 1 Rare 11
Ranarr seed 5.png Ranarr seed 1 Rare 53,900
Clue scroll (easy).png Clue scroll (easy) 1 Rare Not sold
Casket.png Casket 1 Rare 874

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.png Uncut sapphire 1 Rare 859
Uncut emerald.png Uncut emerald 1 Rare 900
Uncut ruby.png Uncut ruby 1 Rare 1,545
Cosmic talisman.png Cosmic talisman 1 Very rare 537
Uncut diamond.png Uncut diamond 1 Very rare 3,016
Rune javelin.png Rune javelin 5 Very rare 750
Loop half of key.png Loop half of key 1 Very rare 8,562
Tooth half of key.png Tooth half of key 1 Very rare 13,634
Rune spear.png Rune spear 1 Very rare 12,091
Shield left half.png Shield left half 1 Very rare 65,694
Dragon spear.png Dragon spear 1 Very rare 37,233


See also[edit | edit source]