Rock lobster

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This article is about monster. For Summoning familiar, see Granite lobster.

Rock lobsters are found in the Waterbirth Island Dungeon's fifth sub-level, in room 16. They are similar to giant rock crabs in the fact that they are initially disguised as large rocks, but will attack players that approach. The lobsters are weak to magic attacks and can hit frequently into the low 300s. They attack every other game tick, making them dangerous if the player has low defence and allows multiple lobsters to attack at once.

Before the Evolution of Combat update, rock lobsters were commonly killed by wealthy players because of their common crimson charm drops. Using the right technique, such as ice bursting or ice barraging, killing rock lobsters was one of the fastest ways of obtaining charms. They are still a viable way of gathering charms for lower level players due to their low health, high spawn, and high charm drop rate compared to monsters with similar stats.

Strategy[edit | edit source]

Rock lobsters are weak to water spells. Players are advised to kill them by casting Water Wave, Ice Burst, or better using a staff, such as a crystal staff or better, and magic power armour, such as robes of subjugation. Low-levelled players may wish to bring an emergency teleport and food, such as sharks. As rock lobsters frequently drop charms, players should use a charming imp. Soul Split can be used to eliminate the need for food or safe-spotting. Players may also use Blood Burst/Barrage in order to heal.

Drops[edit | edit source]

Charms[edit | edit source]

Nothing
1Gold charm.png
1Green charm.png
1Crimson charm.png
1Blue charm.png
46–49%15–17%8–10%23–25%3–4%
Represents a 90% confidence range based on a sample of 3,831 kills.
2 items are dropped at a time.
Add data to the log (requires JavaScript).

Main drop[edit | edit source]

Tertiary drops[edit | edit source]

Rare drop table[edit | edit source]

This monster has access to the rare drop table.
Luck-enhancing items such as a ring of Wealth or luck of the Dwarves are not required to access the table.
Rare drop table.png Rare drop table:
Rare drop table
Item Members Quantity Rarity GE price High alch value
Coins_250.png: RS3 Rock lobster drops Coins with rarity Common in quantity 250-500CoinsF2P icon.png250–500Common250-500250-500
Uncut sapphire.png: RS3 Rock lobster drops Uncut sapphire with rarity Common in quantity 1Uncut sapphireF2P icon.png1Common89015
Uncut emerald.png: RS3 Rock lobster drops Uncut emerald with rarity Common in quantity 1Uncut emeraldF2P icon.png1Common2,76330
Uncut ruby.png: RS3 Rock lobster drops Uncut ruby with rarity Common in quantity 1Uncut rubyF2P icon.png1Common2,42960
Uncut diamond.png: RS3 Rock lobster drops Uncut diamond with rarity Common in quantity 1Uncut diamondF2P icon.png1Common7,287120
Uncut diamond.png: RS3 Rock lobster drops Uncut diamond with rarity Rare in quantity 45-55 (noted)Uncut diamondF2P icon.png45–55 (noted)Rare327,915-400,7855,400-6,600
Loop half of a key.png: RS3 Rock lobster drops Loop half of a key with rarity Common in quantity 1Loop half of a key (m)P2P icon.png1Common15,2740
Tooth half of a key.png: RS3 Rock lobster drops Tooth half of a key with rarity Common in quantity 1Tooth half of a key (m)P2P icon.png1Common15,0030
Uncut dragonstone.png: RS3 Rock lobster drops Uncut dragonstone with rarity Uncommon in quantity 1Uncut dragonstone (m)P2P icon.png1Uncommon12,470600
Uncut dragonstone.png: RS3 Rock lobster drops Uncut dragonstone with rarity Rare in quantity 45-55 (noted)Uncut dragonstone (m)P2P icon.png45–55 (noted)Rare561,150-685,85027,000-33,000
Dragon longsword.png: RS3 Rock lobster drops Dragon longsword with rarity Common in quantity 1Dragon longsword (m)P2P icon.png1Common57,91360,000
Off-hand dragon longsword.png: RS3 Rock lobster drops Off-hand dragon longsword with rarity Common in quantity 1Off-hand dragon longsword (m)P2P icon.png1Common57,52460,000
Dragon spear.png: RS3 Rock lobster drops Dragon spear with rarity Rare in quantity 1Dragon spear (m)P2P icon.png1Rare35,14237,440
Battlestaff.png: RS3 Rock lobster drops Battlestaff with rarity Rare in quantity 180-220 (noted)Battlestaff (m)P2P icon.png180–220 (noted)Rare536,940-656,260756,000-924,000
Rune javelin.png: RS3 Rock lobster drops Rune javelin with rarity Rare in quantity 5Rune javelinF2P icon.png5Rare8901,870
Huge plated rune salvage.png: RS3 Rock lobster drops Huge plated rune salvage with rarity Uncommon in quantity 1Huge plated rune salvageF2P icon.png1Uncommon38,77140,000
Huge plated rune salvage.png: RS3 Rock lobster drops Huge plated rune salvage with rarity Rare in quantity 18-22 (noted)Huge plated rune salvageF2P icon.png18–22 (noted)Rare697,878-852,962720,000-880,000
Shield left half.png: RS3 Rock lobster drops Shield left half with rarity Rare in quantity 1Shield left half (m)P2P icon.png1Rare63,79066,000
Dragon helm.png: RS3 Rock lobster drops Dragon helm with rarity Uncommon in quantity 1Dragon helm (m)P2P icon.png1Uncommon58,60660,000
Rune arrowheads.png: RS3 Rock lobster drops Rune arrowheads with rarity Common in quantity 113-137Rune arrowheadsF2P icon.png113–137Common16,498-20,002678-822
Onyx bolts.png: RS3 Rock lobster drops Onyx bolts with rarity Very rare in quantity 135-165Onyx bolts (m)P2P icon.png135–165Very rare1,034,235-1,264,0651,104,165-1,349,535
Water talisman.png: RS3 Rock lobster drops Water talisman with rarity Rare in quantity 68-82 (noted)Water talismanF2P icon.png68–82 (noted)Rare262,140-316,110136-164
Earth talisman.png: RS3 Rock lobster drops Earth talisman with rarity Rare in quantity 68-82 (noted)Earth talismanF2P icon.png68–82 (noted)Rare9,248-11,152136-164
Raw lobster.png: RS3 Rock lobster drops Raw lobster with rarity Common in quantity 135-165 (noted)Raw lobsterF2P icon.png135–165 (noted)Common50,760-62,04022,950-28,050
Raw shark.png: RS3 Rock lobster drops Raw shark with rarity Uncommon in quantity 225-275 (noted)Raw shark (m)P2P icon.png225–275 (noted)Uncommon469,575-573,92540,500-49,500
Big bones.png: RS3 Rock lobster drops Big bones with rarity Uncommon in quantity 68-82 (noted)Big bonesF2P icon.png68–82 (noted)Uncommon15,912-19,1880
Dragon bones.png: RS3 Rock lobster drops Dragon bones with rarity Rare in quantity 180-220 (noted)Dragon bonesF2P icon.png180–220 (noted)Rare343,440-419,7600
Drakolith stone spirit.png: RS3 Rock lobster drops Drakolith stone spirit with rarity Uncommon in quantity 25-35Drakolith stone spirit (m)P2P icon.png25–35Uncommon14,475-20,265Not alchemisable
Necrite stone spirit.png: RS3 Rock lobster drops Necrite stone spirit with rarity Common in quantity 2Necrite stone spirit (m)P2P icon.png2Common6,510Not alchemisable
Phasmatite stone spirit.png: RS3 Rock lobster drops Phasmatite stone spirit with rarity Uncommon in quantity 25-30Phasmatite stone spirit (m)P2P icon.png25–30Uncommon18,550-22,260Not alchemisable
Phasmatite stone spirit.png: RS3 Rock lobster drops Phasmatite stone spirit with rarity Common in quantity 2Phasmatite stone spirit (m)P2P icon.png2Common1,484Not alchemisable
Necrite stone spirit.png: RS3 Rock lobster drops Necrite stone spirit with rarity Rare in quantity 25-30Necrite stone spirit (m)P2P icon.png25–30Rare81,375-97,650Not alchemisable
Runite stone spirit.png: RS3 Rock lobster drops Runite stone spirit with rarity Common in quantity 3Runite stone spiritF2P icon.png3Common6,153Not alchemisable
Orichalcite stone spirit.png: RS3 Rock lobster drops Orichalcite stone spirit with rarity Rare in quantity 25-35Orichalcite stone spirit (m)P2P icon.png25–35Rare10,300-14,420Not alchemisable
Grimy torstol.png: RS3 Rock lobster drops Grimy torstol with rarity Uncommon in quantity 90-110 (noted)Grimy torstol (m)P2P icon.png90–110 (noted)Uncommon515,340-629,8600
Grimy snapdragon.png: RS3 Rock lobster drops Grimy snapdragon with rarity Uncommon in quantity 90-110 (noted)Grimy snapdragon (m)P2P icon.png90–110 (noted)Uncommon158,940-194,2600
Super restore (4).png: RS3 Rock lobster drops Super restore (4) with rarity Uncommon in quantity 45-55 (noted)Super restore (4) (m)P2P icon.png45–55 (noted)Uncommon108,180-132,2208,100-9,900
Prayer potion (4).png: RS3 Rock lobster drops Prayer potion (4) with rarity Uncommon in quantity 45-55 (noted)Prayer potion (4)F2P icon.png45–55 (noted)Uncommon189,360-231,4405,130-6,270
Lantadyme seed.png: RS3 Rock lobster drops Lantadyme seed with rarity Uncommon in quantity 14-16Lantadyme seed (m)P2P icon.png14–16Uncommon8,834-10,096532-608
Dwarf weed seed.png: RS3 Rock lobster drops Dwarf weed seed with rarity Uncommon in quantity 14-16Dwarf weed seed (m)P2P icon.png14–16Uncommon48,216-55,104532-608
Magic seed.png: RS3 Rock lobster drops Magic seed with rarity Uncommon in quantity 4Magic seed (m)P2P icon.png4Uncommon128,7801,012
Palm tree seed.png: RS3 Rock lobster drops Palm tree seed with rarity Rare in quantity 10Palm tree seed (m)P2P icon.png10Rare251,8101,520
Flax.png: RS3 Rock lobster drops Flax with rarity Common in quantity 450-550 (noted)FlaxF2P icon.png450–550 (noted)Common56,250-68,7501,350-1,650
Molten glass.png: RS3 Rock lobster drops Molten glass with rarity Common in quantity 45-55 (noted)Molten glass (m)P2P icon.png45–55 (noted)Common31,590-38,61045-55
Soft clay.png: RS3 Rock lobster drops Soft clay with rarity Uncommon in quantity 450-550 (noted)Soft clayF2P icon.png450–550 (noted)Uncommon382,500-467,500450-550
Yew logs.png: RS3 Rock lobster drops Yew logs with rarity Uncommon in quantity 68-82 (noted)Yew logsF2P icon.png68–82 (noted)Uncommon16,524-19,9266,528-7,872
Yew logs.png: RS3 Rock lobster drops Yew logs with rarity Rare in quantity 675-825 (noted)Yew logsF2P icon.png675–825 (noted)Rare164,025-200,47564,800-79,200
Teak plank.png: RS3 Rock lobster drops Teak plank with rarity Uncommon in quantity 45-55 (noted)Teak plank (m)P2P icon.png45–55 (noted)Uncommon28,800-35,20013,500-16,500
Mahogany plank.png: RS3 Rock lobster drops Mahogany plank with rarity Rare in quantity 270-330 (noted)Mahogany plank (m)P2P icon.png270–330 (noted)Rare626,400-765,600243,000-297,000
Vecna skull.png: RS3 Rock lobster drops Vecna skull with rarity Rare in quantity 1Vecna skull (m)P2P icon.png1Rare[d 1]197,5026,000
Blurberry Special.png: RS3 Rock lobster drops Blurberry Special with rarity Very rare in quantity 1Blurberry Special (m)P2P icon.png1Very rare[d 2]11,71818
Cheese+tom batta.png: RS3 Rock lobster drops Cheese+tom batta with rarity Very rare in quantity 1Cheese+tom batta (m)P2P icon.png1Very rare[d 3]4361
Hazelmere's signet ring.png: RS3 Rock lobster drops Hazelmere's signet ring with rarity Very rare in quantity 1Hazelmere's signet ring (m)P2P icon.png1Very rare[d 4]1,535,207,358300,000
Brawling gloves (Melee).png: RS3 Rock lobster drops Brawling gloves (Melee) with rarity Very rare in quantity 1Brawling gloves (Melee) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Magic).png: RS3 Rock lobster drops Brawling gloves (Magic) with rarity Very rare in quantity 1Brawling gloves (Magic) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Ranged).png: RS3 Rock lobster drops Brawling gloves (Ranged) with rarity Very rare in quantity 1Brawling gloves (Ranged) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Agility).png: RS3 Rock lobster drops Brawling gloves (Agility) with rarity Very rare in quantity 1Brawling gloves (Agility) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Cooking).png: RS3 Rock lobster drops Brawling gloves (Cooking) with rarity Very rare in quantity 1Brawling gloves (Cooking) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (FM).png: RS3 Rock lobster drops Brawling gloves (FM) with rarity Very rare in quantity 1Brawling gloves (FM) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Fishing).png: RS3 Rock lobster drops Brawling gloves (Fishing) with rarity Very rare in quantity 1Brawling gloves (Fishing) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Hunter).png: RS3 Rock lobster drops Brawling gloves (Hunter) with rarity Very rare in quantity 1Brawling gloves (Hunter) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Mining).png: RS3 Rock lobster drops Brawling gloves (Mining) with rarity Very rare in quantity 1Brawling gloves (Mining) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Prayer).png: RS3 Rock lobster drops Brawling gloves (Prayer) with rarity Very rare in quantity 1Brawling gloves (Prayer) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Smithing).png: RS3 Rock lobster drops Brawling gloves (Smithing) with rarity Very rare in quantity 1Brawling gloves (Smithing) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (Thieving).png: RS3 Rock lobster drops Brawling gloves (Thieving) with rarity Very rare in quantity 1Brawling gloves (Thieving) (m)P2P icon.png1Very rareNot soldNot alchemisable
Brawling gloves (WC).png: RS3 Rock lobster drops Brawling gloves (WC) with rarity Very rare in quantity 1Brawling gloves (WC) (m)P2P icon.png1Very rareNot soldNot alchemisable
Crystal triskelion fragment 1.png: RS3 Rock lobster drops Crystal triskelion fragment 1 with rarity Very rare in quantity 1Crystal triskelion fragment 1 (m)P2P icon.png1Very rareNot soldNot alchemisable
Crystal triskelion fragment 2.png: RS3 Rock lobster drops Crystal triskelion fragment 2 with rarity Very rare in quantity 1Crystal triskelion fragment 2 (m)P2P icon.png1Very rareNot soldNot alchemisable
Crystal triskelion fragment 3.png: RS3 Rock lobster drops Crystal triskelion fragment 3 with rarity Very rare in quantity 1Crystal triskelion fragment 3 (m)P2P icon.png1Very rareNot soldNot alchemisable
  1. ^ Jagex. Mod Timbo's Twitter account. 19 January 2018. (Archived from the original on 22 January 2019.) Mod Timbo: "1/1280 if you hit the RDT, requires T4 luck to be worn in order to get a hold of it. Of course there are tons of different ways to access the RDT so it changes massively depending on what you're fighting, what you're wearing etc."
  2. ^ Indicates a failed 1/10 roll for Hazelmere's signet ring.
  3. ^ Indicates a roll for Hazelmere's signet ring without tier 4 luck.
  4. ^ Requires tier 4 luck. Rarer than the vecna skull.

Universal drops[edit | edit source]

Universal drops are dropped by nearly every monster outside of Daemonheim.
These items are dropped alongside main drops.

Update history[edit | edit source]

The update history project is a work-in-progress – not all updates to this topic may be covered below. See here for how to help out!
  • patch 28 March 2011 (Update):
    • Charm drop rates for this monster have been reverted.

Trivia[edit | edit source]

  • The examine text is a reference to the B-52's song "Rock Lobster".
  • The rock lobster's combat level was 127 upon being introduced into RuneScape 2. It was later changed to 156 in a hidden update. Their combat levels changed again to 142 upon the release of the Evolution of Combat on 20 November 2012.
  • After the ring of Wealth update on 16 March 2011, the charm drop rates of hellhounds and rock lobsters had "gone walkabouts." This caused hellhounds to drop gold charms less frequently. Rather, they seemed to drop blue charms much more often. This was, however, fixed on 28 March[1] as noted in the patch notes of that date.

References[edit | edit source]

  1. ^ Mod Easty. "Rock Lobsters?." 28 March 2011. Recent Updates Forums.