Grubby Chest | OSRS Index

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Grubby Chest



Released								4 July 2019 (Update)
Members								Yes
Quest								No
Location								Forthos Dungeon
League region								Kourend✓
Options								Open, Check
Examine								I wonder what's inside.

Map

Advanced data

Object ID								34838
Link								MOID

The Grubby Chest can be found on the south-west corner of the Forthos Dungeon, behind a locked gate that requires level 57 Thieving to open. The chest is locked and can only be opened by using a grubby key, which is obtained from killing monsters in the Forthos Dungeon. There is a warning message when attempting to open the chest with fewer than 11 free inventory spaces, which can be disabled.

Money making

The following money making guide is available for Grubby Chest:

Method	Hourly profit	Skills
Opening grubby chests	1,313,516	57

Rewards

Drop rates are estimated based on 72,344 samples from the Drop Rate Project, unless otherwise cited.

The average Grubby Chest open is worth 48,395.54.

When the cost of a Grubby key is subtracted, opening the chest is worth 15,838.54 on average.

The Grubby Chest uses a special mechanic to determine the items obtained from the chest.

Food roll

There are two rolls from this table.

Item	Quantity	Rarity	Price	High Alch
Shark	4	2 × 7/20	4,212	408
Egg potato	4	2 × 12/20	804	28
Saradomin brew(2)	3	2 × 1/20^{[d 1]}	10,407	270
Super restore(2)	1	2 × 1/20^{[d 1]}	4,854	108

^ ^1.0 ^1.1 Players will receive Saradomin brews together with a super restore

Potion roll

There is one roll from this table.

Item	Quantity	Rarity	Price	High Alch
Super attack(2)	1	8/20^{[d 1]}	960	81
Super strength(2)	1	8/20^{[d 1]}	1,552	99
Super defence(2)	1	16/20^{[d 1]}^{[d 2]}	1,849	118
Ranging potion(2)	1	8/20^{[d 2]}	983	129
Super restore(3)	2	1/20	14,692	288
Prayer potion(3)	2	3/20	13,376	182

^ ^1.0 ^1.1 ^1.2 Players will receive super attack potions together with super strength and super defence potions.
^ ^2.0 ^2.1 Players will receive ranging potions together with a super defence potion.

Main roll

There is one roll from this table.

Item	Quantity	Rarity	Price	High Alch
Law rune	200	10/100	24,600	28,800
Death rune	200	10/100	37,000	21,600
Astral rune	200	10/100	19,600	6,000
Dragon dart tip	50	2/100	61,100	7,500
Dragon arrowtips	100	2/100	172,200	30,000
Blood rune	200	10/100	74,800	48,000
Crystal key	1	6/100^[1]	20,319	90
Dragon bones	10 (noted)	6/100	33,240	960
Red dragonhide	10 (noted)	6/100	20,720	870
Grimy toadflax	10 (noted)	8/100	18,990	110
Grimy ranarr weed	10 (noted)	8/100	52,620	180
Grimy snapdragon	10 (noted)	7/100	72,180	120
Grimy torstol	5 (noted)	7/100	14,770	75
Coins	10,000	8/100	10,000	10,000

Tertiary

	Item	Quantity	Rarity	Price	High Alch
	Orange egg sac	1	1/25	Not sold	0
	Blue egg sac	1	1/25	Not sold	0

Transcript

Opening the chest

If the player has a Grubby key

If the player receives an orange or blue egg sac:
- You find treasure, supplies, and a weirdly coloured egg sac within the chest.
If the player does not receive an egg sac:
- You find treasure and supplies within the chest.

If the player does not have a Grubby key

You don't have a key which can open this chest.

If the player has less than 11 open inventory spaces

You do require at least 11 spaces in your inventory to loot this chest.
Any items you cannot hold will be dropped to the floor.
Open anyway
- (Same as above)
Open anyway (do not show this again)
- (Same as above)
Do not open
- (End of dialogue)

Changes

Date	Changes
30 June 2021 (Update \| poll)	Coloured egg sacs to recolour Sraracha have been added to the drop table.
13 January 2021 (Update)	The Grubby Chest now has a 'Check' option which tells how many times it has been opened by the player.
11 July 2019 (Update)	The Grubby Chest will now give Red dragonhide and Dragon bones in noted form.

References

^ Jagex. Mod Husky's Twitter account. Archived from the original on 2 August 2019. Mod Husky: "Ah fair enough. Well the crystal key is a 6% chance so it's not super high. Not sure what number you were hoping for."

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Costume	Oak treasure chest Teak treasure chest Mahogany treasure chest
Treasure room	Oak chest Teak chest Mahogany chest Magic chest

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Shades of Mort'ton chests	Bronze Chest (red) Bronze Chest (brown) Bronze Chest (crimson) Bronze Chest (black) Bronze Chest (purple) Steel Chest (red) Steel Chest (brown) Steel Chest (crimson) Steel Chest (black) Steel Chest (purple) Black Chest (red) Black Chest (brown) Black Chest (crimson) Black Chest (black) Black Chest (purple) Silver Chest (red) Silver Chest (brown) Silver Chest (crimson) Silver Chest (black) Silver Chest (purple) Gold Chest (red) Gold Chest (brown) Gold Chest (crimson) Gold Chest (black) Gold Chest (purple)

Other chests

Forthos Dungeon

NPCs

Monsters

Items

Tomes	Tome of the sun Tome of the moon Tome of the temple
Tattered pages	Tattered sun page Tattered moon page Tattered temple page
Sarachnis	Giant egg sac Sarachnis cudgel Jar of eyes Pristine spider silk Sraracha
Other	Grubby key Blue egg sac Orange egg sac Mask of ranul Temple key Temple coin

Scenery

Interactive	Altar Broken sun altar Cursed Altar Grubby Chest Sacred Bone Burner Stone Relief Strange passage
Decorative	Egg sac Empty sac Empty sarcophagus

Other

Source site	Old School RuneScape Wiki
Canonical source	Grubby Chest
Content license	CC BY-NC-SA 3.0
License status	declared
Picture	Grubby Chest (closed) · file details