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: Rock Crab can drop the item Bronze pickaxe with rarity Common in quantity 1 Bronze pickaxe 1 Common 80
Iron pickaxe.png: Rock Crab can drop the item Iron pickaxe with rarity Common in quantity 1 Iron pickaxe 1 Common 144

Runes and talisman[edit | edit source]

Item Quantity Rarity GE market price
Fire rune.png: Rock Crab can drop the item Fire rune with rarity Common in quantity 7 Fire rune 7 Common 35
Nature rune.png: Rock Crab can drop the item Nature rune with rarity Uncommon in quantity 4 Nature rune 4 Uncommon 808
Chaos rune.png: Rock Crab can drop the item Chaos rune with rarity Rare in quantity 1 Chaos rune 1 Rare 99

Others[edit | edit source]

Item Quantity Rarity GE market price
Coins 250.png: Rock Crab can drop the item Coins with rarity Common in quantity 4-413 Coins 4–413 Common Not sold
Oyster.png: Rock Crab can drop the item Oyster with rarity Common in quantity 1-2 Oyster 1–2 Common 58–116
Seaweed.png: Rock Crab can drop the item Seaweed with rarity Common in quantity 1-5 Seaweed 1–5 Common 55–275
Oyster pearl.png: Rock Crab can drop the item Oyster pearl with rarity Common in quantity 1 Oyster pearl 1 Common 59
Empty oyster.png: Rock Crab can drop the item Empty oyster with rarity Common in quantity 1 Empty oyster 1 Common Not sold
Spinach roll.png: Rock Crab can drop the item Spinach roll with rarity Uncommon in quantity 1 Spinach roll 1 Uncommon Not sold
Opal bolt tips.png: Rock Crab can drop the item Opal bolt tips with rarity Uncommon in quantity 5 Opal bolt tips 5 Uncommon 10
Iron ore.png: Rock Crab can drop the item Iron ore with rarity Uncommon in quantity 1 Iron ore 1 Uncommon 111
Coal.png: Rock Crab can drop the item Coal with rarity Uncommon in quantity 2 Coal 2 Uncommon 318
Copper ore.png: Rock Crab can drop the item Copper ore with rarity Uncommon in quantity 3 Copper ore 3 Uncommon 129
Tin ore.png: Rock Crab can drop the item Tin ore with rarity Uncommon in quantity 3 Tin ore 3 Uncommon 144
Fishing bait.png: Rock Crab can drop the item Fishing bait with rarity Uncommon in quantity 1-10 Fishing bait 1–10 Uncommon 4–40
Edible seaweed.png: Rock Crab can drop the item Edible seaweed with rarity Rare in quantity 2 Edible seaweed 2 Rare 58
Jade bolt tips.png: Rock Crab can drop the item Jade bolt tips with rarity Rare in quantity 1 Jade bolt tips 1 Rare 3
Limpwurt root.png: Rock Crab can drop the item Limpwurt root with rarity Rare in quantity 1 Limpwurt root 1 Rare 969
Grimy ranarr weed.png: Rock Crab can drop the item Grimy ranarr weed with rarity Rare in quantity 1 Grimy ranarr weed 1 Rare 6,881
Grimy avantoe.png: Rock Crab can drop the item Grimy avantoe with rarity Rare in quantity 1 Grimy avantoe 1 Rare 1,376
Tarromin seed.png: Rock Crab can drop the item Tarromin seed with rarity Rare in quantity 1 Tarromin seed 1 Rare 7
Ranarr seed.png: Rock Crab can drop the item Ranarr seed with rarity Rare in quantity 1 Ranarr seed 1 Rare 40,252
Clue scroll (easy).png: Rock Crab can drop the item Clue scroll (easy) with rarity Rare in quantity 1 Clue scroll (easy) 1 Rare Not sold
Casket.png: Rock Crab can drop the item Casket with rarity Rare in quantity 1 Casket 1 Rare 1,003

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: Rock Crab can drop the item Uncut sapphire with rarity Rare in quantity 1 Uncut sapphire 1 Rare 616
Uncut emerald.png: Rock Crab can drop the item Uncut emerald with rarity Rare in quantity 1 Uncut emerald 1 Rare 812
Uncut ruby.png: Rock Crab can drop the item Uncut ruby with rarity Rare in quantity 1 Uncut ruby 1 Rare 1,418
Cosmic talisman.png: Rock Crab can drop the item Cosmic talisman with rarity Very rare in quantity 1 Cosmic talisman 1 Very rare Not sold
Uncut diamond.png: Rock Crab can drop the item Uncut diamond with rarity Very rare in quantity 1 Uncut diamond 1 Very rare 2,973
Rune javelin.png: Rock Crab can drop the item Rune javelin with rarity Very rare in quantity 5 Rune javelin 5 Very rare 790
Loop half of key.png: Rock Crab can drop the item Loop half of key with rarity Very rare in quantity 1 Loop half of key 1 Very rare 12,063
Tooth half of key.png: Rock Crab can drop the item Tooth half of key with rarity Very rare in quantity 1 Tooth half of key 1 Very rare 9,895
Rune spear.png: Rock Crab can drop the item Rune spear with rarity Very rare in quantity 1 Rune spear 1 Very rare 12,073
Shield left half.png: Rock Crab can drop the item Shield left half with rarity Very rare in quantity 1 Shield left half 1 Very rare 65,537
Dragon spear.png: Rock Crab can drop the item Dragon spear with rarity Very rare in quantity 1 Dragon spear 1 Very rare 37,591
  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 The drop rate is increased when wearing a Ring of wealth.

See also[edit | edit source]