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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.

DropsEdit

Charms(m)Edit

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 dropEdit

Item Quantity Rarity GE price
Black full helmBlack full helm1Common1,399
Mithril sq shieldMithril sq shield1Uncommon2,603
BattlestaffBattlestaff(m)1Uncommon6,025
Mithril platebodyMithril platebody1Rare2,694
Rune scimitarRune scimitar1Very rare14,501
Grimy iritGrimy irit(m)1Common3,315
Grimy guamGrimy guam1Common[1]289
Grimy marrentillGrimy marrentill1Common[1]278
Grimy tarrominGrimy tarromin1Common[1]21
Grimy harralanderGrimy harralander(m)1Common102
Grimy ranarrGrimy ranarr(m)1Rare2,086
Grimy cadantineGrimy cadantine(m)1Rare2,988
Grimy avantoeGrimy avantoe(m)1Rare1,221
Grimy kwuarmGrimy kwuarm(m)1Rare5,295
Grimy lantadymeGrimy lantadyme(m)1Rare2,997
Grimy dwarf weedGrimy dwarf weed(m)1Rare2,080
Red spiders' eggsRed spiders' eggs1Rare1,547
Mithril oreMithril ore2–3 (noted)Common778–1,167
CoalCoal1–2 (noted)Uncommon133–266
Cosmic runeCosmic rune1–2Common328–656
Nature runeNature rune1–2Uncommon468–936
Chaos runeChaos rune1–18Common117–2,106
Earth runeEarth rune1–22Common20–440
Coins 100Coins20–150Common20–150
CarapaceCarapace1Common524
Rare drop tableRare drop table1RareNot sold
Uncut emeraldUncut emerald1Unknown2,057

Tertiary dropsEdit

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 tableEdit

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 sapphire1Common726
Uncut emeraldUncut emerald1Common2,057
Uncut rubyUncut ruby1Common1,634
Uncut diamondUncut diamond1Common2,995
Uncut diamondUncut diamond45–55 (noted)Rare134,775–164,725
Loop half of a keyLoop half of a key1Common17,536
Tooth half of a keyTooth half of a key1Common19,623
Uncut dragonstoneUncut dragonstone1Uncommon11,855
Uncut dragonstoneUncut dragonstone45–55 (noted)Rare533,475–652,025
Dragon longswordDragon longsword1Common58,381
Dragon spearDragon spear1Rare36,769
BattlestaffBattlestaff180–220 (noted)Rare1,084,500–1,325,500
Rune javelinRune javelin5Rare890
Rune platebodyRune platebody1Uncommon37,762
Rune platebodyRune platebody15–25 (noted)Rare566,430–944,050
Shield left halfShield left half1Rare64,951
Dragon helmDragon helm1Uncommon58,885
Rune arrowheads 5Rune arrowheads113–137Common21,018–25,482
Onyx bolts 5Onyx bolts135–165Very rare1,073,655–1,312,245
Chaos talismanChaos talisman1Rare1,380
Nature talismanNature talisman1Rare1,857
Water talismanWater talisman65–82 (noted)Rare501,215–632,302
Earth talismanEarth talisman65–82 (noted)Rare153,595–193,766
Fire talismanFire talisman25–35 (noted)Rare53,925–75,495
Raw lobsterRaw lobster135–165 (noted)Common27,810–33,990
Raw sharkRaw shark225–275 (noted)Uncommon235,350–287,650
Big bonesBig bones68–82 (noted)Uncommon13,328–16,072
Dragon bonesDragon bones180–220 (noted)Rare304,380–372,020
CoalCoal200–1,100 (noted)Uncommon26,600–146,300
Gold oreGold ore90–110 (noted)Common14,940–18,260
Adamantite oreAdamantite ore180–220 (noted)Uncommon258,660–316,140
Adamant barAdamant bar14–16 (noted)Common37,912–43,328
Adamant barAdamant bar135–165 (noted)Rare365,580–446,820
Runite oreRunite ore90–110 (noted)Rare1,070,910–1,308,890
Rune barRune bar(noted)Common41,661
Rune barRune bar45–55 (noted)Rare624,915–763,785
Grimy torstolGrimy torstol90–110 (noted)Uncommon344,250–420,750
Grimy snapdragonGrimy snapdragon90–110 (noted)Uncommon138,150–168,850
Super restore (4)Super restore (4)45–55 (noted)Uncommon151,470–185,130
Prayer potion (4)Prayer potion (4)45–55 (noted)Uncommon146,160–178,640
Lantadyme seed 5Lantadyme seed14–16Uncommon8,218–9,392
Dwarf weed seed 5Dwarf weed seed14–16Uncommon8,946–10,224
Magic seed 5Magic seed4Uncommon377,828
Palm tree seed 5Palm tree seed10Rare952,130
FlaxFlax450–550 (noted)Common17,550–21,450
Molten glassMolten glass45–55 (noted)Common8,415–10,285
Soft claySoft clay450–550 (noted)Uncommon205,200–250,800
Yew logsYew logs68–82 (noted)Uncommon11,016–13,284
Yew logsYew logs675–825 (noted)Rare109,350–133,650
Teak plankTeak plank45–55 (noted)Uncommon32,850–40,150
Mahogany plankMahogany plank270–330 (noted)Rare377,190–461,010
Blurberry SpecialBlurberry Special1Uncommon5,678
Vecna skullVecna skull1Very rare*356,731
Hazelmere's signet ringHazelmere's signet ring1Very rare*1,967,717,757
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 dropsEdit

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 rare19,604