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Cockroach workers are found in the Stronghold of Player Safety. They are good non-member monsters for mid-levelled players to train on. They also drop Crimson charms quite often, making the Stronghold a popular place to obtain charms for training Summoning.

They can hit 50s and 60s very often if Rune armour or better is not worn. As they occupy 2x2 areas, rangers and mages may fight them in safe spots in Level 5 of the Stronghold. Two cockroach workers have their spawn points enclosed in a small room with an exit only one tile wide so they cannot attack a player fighting them with a Range or Magic attack style from outside of the room. However, workers' defences are rather high, making it harder for low and mid-level players to deal damage to it. For members, a halberd can be used for safe Melee training, as it can attack up to two spaces away from the player, allowing you to strike melee attacks without getting hit.

Many players take free food from the nearby fishing spot when training on cockroaches.

Also the Monastery is nearby for healing or using the altar (level 31 prayer needed).

Medium-levelled players will sometimes kill this monster for their decent stackable drops on free worlds, and for their relatively good crimson charm drop rate for their level. If you have a decent combat level +70s, you can gain up to 40 Crimson charm per hour. +90s would produce roughly 60 charms per hour.

Drops

Charms(m)

No charmGold charmGreen charmCrimson charmBlue charm
71–73%6–7%3–4%16–18%0.9–1.3%
Represents a 90% confidence range based on a sample of 6,764 kills.
1 charm is dropped at a time.
Add data to the log (requires JavaScript).

Main drop

Item Quantity Rarity GE price
Black full helmBlack full helm1Common2,994
Mithril sq shieldMithril sq shield1Uncommon2,669
BattlestaffBattlestaff(m)1Uncommon3,012
Mithril platebodyMithril platebody1Rare2,540
Rune scimitarRune scimitar1Very rare14,957
Grimy iritGrimy irit(m)1Common5,008
Grimy guamGrimy guam1Common[1]709
Grimy marrentillGrimy marrentill1Common[1]2,307
Grimy tarrominGrimy tarromin1Common[1]105
Grimy harralanderGrimy harralander(m)1Common741
Grimy ranarrGrimy ranarr(m)1Rare1,860
Grimy cadantineGrimy cadantine(m)1Rare4,322
Grimy avantoeGrimy avantoe(m)1Rare1,043
Grimy kwuarmGrimy kwuarm(m)1Rare11,782
Grimy lantadymeGrimy lantadyme(m)1Rare7,551
Grimy dwarf weedGrimy dwarf weed(m)1Rare8,476
Red spiders' eggsRed spiders' eggs1Rare1,405
Mithril oreMithril ore2–3 (noted)Common394–591
CoalCoal1–2 (noted)Uncommon112–224
Cosmic runeCosmic rune1–2Common412–824
Nature runeNature rune1–2Uncommon405–810
Chaos runeChaos rune1–18Common152–2,736
Earth runeEarth rune1–22Common18–396
Coins 100Coins20–150Common20–150
CarapaceCarapace(m)1Common666
Rare drop tableRare drop table1RareNot sold
Uncut emeraldUncut emerald1Unknown2,555

Tertiary drops

Item Quantity Rarity GE price
Spirit sapphireSpirit sapphire1RareNot sold
Spirit emeraldSpirit emerald1RareNot sold
Spirit rubySpirit ruby1RareNot sold
Starved ancient effigyStarved ancient effigy1Very rareNot sold
  1. ^ a b c Drops in free-to-play

Rare drop table

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.
Show/hide rare drop table
Item Quantity Rarity GE price
Coins 250Coins250–500Common250–500
Uncut sapphireUncut sapphire1Common809
Uncut emeraldUncut emerald1Common2,555
Uncut rubyUncut ruby1Common1,842
Uncut diamondUncut diamond1Common4,843
Uncut diamondUncut diamond45–55 (noted)Rare217,935–266,365
Loop half of a keyLoop half of a key1Common11,053
Tooth half of a keyTooth half of a key1Common11,538
Uncut dragonstoneUncut dragonstone1Uncommon12,077
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare543,465–664,235
Dragon longswordDragon longsword1Common56,212
Dragon spearDragon spear1Rare35,861
BattlestaffBattlestaff180–220 (noted)Rare542,160–662,640
Rune javelinRune javelin5Rare905
Rune platebodyRune platebody1Uncommon37,480
Rune platebodyRune platebody15–25 (noted)Rare562,200–937,000
Shield left halfShield left half1Rare64,399
Dragon helmDragon helm1Uncommon58,601
Rune arrowheadsRune arrowheads113–137Common14,916–18,084
Onyx boltsOnyx bolts135–165Very rare1,003,725–1,226,775
Chaos talismanChaos talisman1Rare1,923
Nature talismanNature talisman1Rare1,473
Water talismanWater talisman65–82 (noted)Rare164,320–207,296
Earth talismanEarth talisman65–82 (noted)Rare12,025–15,170
Fire talismanFire talisman25–35 (noted)Rare5,225–7,315
Raw lobsterRaw lobster135–165 (noted)Common47,655–58,245
Raw sharkRaw shark225–275 (noted)Uncommon321,075–392,425
Big bonesBig bones68–82 (noted)Uncommon13,804–16,646
Dragon bonesDragon bones180–220 (noted)Rare384,480–469,920
CoalCoal200–1,100 (noted)Uncommon22,400–123,200
Gold oreGold ore90–110 (noted)Common52,830–64,570
Adamantite oreAdamantite ore180–220 (noted)Uncommon40,860–49,940
Adamant barAdamant bar14–16 (noted)Common24,654–28,176
Adamant barAdamant bar135–165 (noted)Rare237,735–290,565
Runite oreRunite ore90–110 (noted)Rare127,710–156,090
Rune barRune bar(noted)Common8,955
Rune barRune bar45–55 (noted)Rare134,325–164,175
Grimy torstolGrimy torstol90–110 (noted)Uncommon485,010–592,790
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon161,010–196,790
Super restore (4)Super restore (4)45–55 (noted)Uncommon125,910–153,890
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon130,950–160,050
Lantadyme seedLantadyme seed14–16Uncommon10,164–11,616
Dwarf weed seedDwarf weed seed14–16Uncommon11,508–13,152
Magic seedMagic seed4Uncommon209,856
Palm tree seedPalm tree seed10Rare396,000
FlaxFlax450–550 (noted)Common43,200–52,800
Molten glassMolten glass45–55 (noted)Common27,585–33,715
Soft claySoft clay450–550 (noted)Uncommon188,550–230,450
Yew logsYew logs68–82 (noted)Uncommon11,356–13,694
Yew logsYew logs675–825 (noted)Rare112,725–137,775
Teak plankTeak plank45–55 (noted)Uncommon16,740–20,460
Mahogany plankMahogany plank270–330 (noted)Rare356,670–435,930
Blurberry SpecialBlurberry Special1Uncommon12,008
Vecna skullVecna skull1Very rare*124,871
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,432,268,388
Brawling gloves (Melee)Brawling gloves (Melee)1Very rareNot sold
Brawling gloves (Magic)Brawling gloves (Magic)1Very rareNot sold
Brawling gloves (Ranged)Brawling gloves (Ranged)1Very rareNot sold
Brawling gloves (Agility)Brawling gloves (Agility)1Very rareNot sold
Brawling gloves (Cooking)Brawling gloves (Cooking)1Very rareNot sold
Brawling gloves (FM)Brawling gloves (FM)1Very rareNot sold
Brawling gloves (Fishing)Brawling gloves (Fishing)1Very rareNot sold
Brawling gloves (Hunter)Brawling gloves (Hunter)1Very rareNot sold
Brawling gloves (Mining)Brawling gloves (Mining)1Very rareNot sold
Brawling gloves (Prayer)Brawling gloves (Prayer)1Very rareNot sold
Brawling gloves (Smithing)Brawling gloves (Smithing)1Very rareNot sold
Brawling gloves (Thieving)Brawling gloves (Thieving)1Very rareNot sold
Brawling gloves (WC)Brawling gloves (WC)1Very rareNot sold
Crystal triskelion fragment 1Crystal triskelion fragment 11Very rareNot sold
Crystal triskelion fragment 2Crystal triskelion fragment 21Very rareNot sold
Crystal triskelion fragment 3Crystal triskelion fragment 31Very rareNot sold

Universal drops

Universal drops are dropped by nearly every monster outside of Daemonheim.
These drops are dropped alongside main drops.
Item Quantity Rarity GE price
Key tokenKey token1RareNot sold
Mimic kill tokenMimic kill token1Very rare5,575
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