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Barrows icon
Barrows minigame

A player participating in the Barrows minigame.

Location on World Map
Castle Drakan
Mort'ton Barrows Meiyerditch
Burgh de Rott

The Barrows minigame is an area-based Combat minigame released on 9 May 2005. The objective is to defeat the six Barrows brothers. Priest in Peril is required as the minigame is located in Morytania, and starting Nature Spirit is required to enter the Mort Myre Swamp. It is a popular money-making method due to the potential of receiving valuable rewards, including the unique Barrows equipment.

Getting there

Barrows Map

1.) Red is the longest and most tedious route.
2.) Sky blue is the moderate route if no additional quests are completed aside from In Aid of the Myreque. Those who have access to fairy rings can also use this route.
3.) Green is the penultimate shortest route and makes use of the Myreque shortcut.
4.) Dark blue is the shortest route making use of Morytania legs 3, 4, or Mort'ton teleports.

There are several different methods for travelling to Barrows. In approximate order from most to least convenient:

Objective

Main article: Barrows/Strategies
Barrows Grave

The location of each brother and their combat style.

Barrows Crypt

The tunnels containing the final brother and the reward chest.

The objective of the game is to defeat the six Barrows brothers: Ahrim the Blighted, Dharok the Wretched, Guthan the Infested, Karil the Tainted, Torag the Corrupted and Verac the Defiled. In the first phase of the minigame, the player summons and defeats five of the six brothers. In the second phase, one must traverse the maze in the tunnels to find the final brother and the reward chest.

This minigame is difficult for players with low combat stats. The combat levels of each brother is 115, except for Ahrim the Blighted and Karil the Tainted, which are level 98. The Barrows brothers are very strong, each with high Defence levels and strong armour. Each brother has a different special ability, which is the same as the set effect of the corresponding armour set. Because of this, special consideration should be given to the methods with and order in which the brothers are killed.

Rewards

Barrows loot mechanics

Barrows drop mechanics[1]

Players receive one roll at the rewards table for each brother killed. For each roll, first the Barrows formula is used to determine whether a Barrows item will be given; if the roll is unsuccessful, the standard item formula is used instead.

Completion of the Hard Morytania Diary increases the number of runes gained by 50% when they are rolled.

Defeating as many brothers as possible before looting the chest is recommended, since not only does one receive more rolls for rewards as the number of brothers killed decreases, but for each roll one also has a higher chance of receiving a Barrows item. If no brothers are killed, it is impossible to gain Barrows items as a reward. The following table demonstrates the exact odds:

Chance of receiving at least one Barrows equipment item
Brothers
killed
Chance
Frac  %
1 1/392 0.26%
2 1/167 0.60%
3 1/92 1.09%
4 2/109 1.83%
5 1/32 3.13%
6 1/17 5.88%

Barrows item formula

The chance of receiving a piece of Barrows equipment for a roll is $ \frac{1}{450 - 58 \times N} $, where $ N $ is the number of brothers killed.

If the roll is successful, a random Barrows item is chosen -- all Barrows items have an equal chance of being chosen. However, a player cannot receive Barrows items for brothers not killed, and also a player cannot receive the same item more than once for every run of the minigame. It is possible to get multiple items from the same brother, contrary to popular belief.

Standard item formula

If a roll for a Barrows item was not successful, the standard item table is rolled instead.

First, the ``rewards potential`` or ``RP`` is calculated with the following formula: $ \text{min}(\text{sum}(combat\ level\ of\ all\ monsters\ killed)), 1000) + 2N $. In other words, it is the sum of all the combat levels of monsters killed (including the brothers, which in total have a combined sum of 656), up to 1000, plus two times the number of brothers killed. The maximum RP possible is 1012. The combat levels of the brothers is included in this calculation, and since the six brothers have a combined sum of 656, an additional 344 points must be gained in order to gain the maximum number of points.

A roll is performed for a value between and the ``RP`` calculated (each inclusive). This value determines the items awarded and the quantity by using the table below:

Item RP required
to unlock
RP required for
maximum quantity
Chance at max RP per roll
Frac  %
Coins 100 Coins 1 380 380/1012 37.5%
Mind rune Mind rune 381 505 125/1012 12.4%
Chaos rune Chaos rune 506 630 125/1012 12.4%
Death rune Death rune 631 755 125/1012 12.4%
Blood rune Blood rune 756 880 125/1012 12.4%
Bolt rack 5 Bolt rack 881 1005 125/1012 12.4%
Tooth half of keyLoop half of key Key half 1006 N/A (always 1) 6/1012 0.6%
Dragon med helm Dragon med helm 1012 N/A (always 1) 1/1012 0.1%

As shown in the table, each item has a range, and the higher in the range the roll resides the more of the item. For example, a roll of 1 and 380 would both result in a reward of coins, but the latter would result in more coins.

If players wish to receive more runes (which are generally worth more gold) instead of bolt racks and key halves, they should keep the total combat level of the monsters killed around but no more than 880. Having exactly 880 would allow the maximum number of Blood runes, but would remove Bolt racks, key halves, and the Dragon med helm from the drop table. Players can achieve exactly 880 points by killing the six brothers and 3 Skeletons. It could also be done by killing 4 Crypt spiders, however these are confined to one room and also share space with their larger cousins, making this method much less convenient.

Runes/Ammunition

Item Quantity Rarity GE market price
Mind rune Mind rune 1–2,889 Common [A 1] 3–8,667
Chaos rune Chaos rune 1–885 Common [A 2] 89–78,765
Death rune Death rune 1–578 Common [A 3] 203–117,334
Bolt rack 5 Bolt rack 1–191 Common [A 4] 94–17,954
Blood rune Blood rune 1–236 Uncommon [A 5] 367–86,612
  1. Requires 381 reward potential to roll.
  2. Requires 506 reward potential to roll.
  3. Requires 631 reward potential to roll.
  4. Requires 881 reward potential to roll.
  5. Requires 756 reward potential to roll.

Barrows Equipment

Ahrim's

Item Quantity Rarity GE market price
Ahrim's hood Ahrim's hood 1 Rare (1/418)[B 1] 61,586
Ahrim's robetop Ahrim's robetop 1 Rare (1/418)[B 1] 2,900,631
Ahrim's robeskirt Ahrim's robeskirt 1 Rare (1/418)[B 1] 2,169,900
Ahrim's staff Ahrim's staff 1 Rare (1/418)[B 1] 104,883
  1. 1.0 1.1 1.2 1.3 When all brothers are slain.

Dharok's

Item Quantity Rarity GE market price
Dharok's helm Dharok's helm 1 Rare (1/418)[C 1] 243,630
Dharok's platebody Dharok's platebody 1 Rare (1/418)[C 1] 978,025
Dharok's platelegs Dharok's platelegs 1 Rare (1/418)[C 1] 1,026,058
Dharok's greataxe Dharok's greataxe 1 Rare (1/418)[C 1] 652,656
  1. 1.0 1.1 1.2 1.3 When all brothers are slain.

Guthan's

Item Quantity Rarity GE market price
Guthan's helm Guthan's helm 1 Rare (1/418)[D 1] 550,010
Guthan's platebody Guthan's platebody 1 Rare (1/418)[D 1] 819,022
Guthan's chainskirt Guthan's chainskirt 1 Rare (1/418)[D 1] 427,208
Guthan's warspear Guthan's warspear 1 Rare (1/418)[D 1] 917,108
  1. 1.0 1.1 1.2 1.3 When all brothers are slain.

Karil's

Item Quantity Rarity GE market price
Karil's coif Karil's coif 1 Rare (1/418)[E 1] 62,835
Karil's leathertop Karil's leathertop 1 Rare (1/418)[E 1] 1,972,648
Karil's leatherskirt Karil's leatherskirt 1 Rare (1/418)[E 1] 224,442
Karil's crossbow Karil's crossbow 1 Rare (1/418)[E 1] 107,192
  1. 1.0 1.1 1.2 1.3 When all brothers are slain.

Torag's

Item Quantity Rarity GE market price
Torag's helm Torag's helm 1 Rare (1/418)[F 1] 95,267
Torag's platebody Torag's platebody 1 Rare (1/418)[F 1] 218,595
Torag's platelegs Torag's platelegs 1 Rare (1/418)[F 1] 241,084
Torag's hammers Torag's hammers 1 Rare (1/418)[F 1] 97,256
  1. 1.0 1.1 1.2 1.3 When all brothers are slain.

Verac's

Item Quantity Rarity GE market price
Verac's helm Verac's helm 1 Rare (1/418)[G 1] 116,139
Verac's brassard Verac's brassard 1 Rare (1/418)[G 1] 177,411
Verac's plateskirt Verac's plateskirt 1 Rare (1/418)[G 1] 624,036
Verac's flail Verac's flail 1 Rare (1/418)[G 1] 102,775
  1. 1.0 1.1 1.2 1.3 When all brothers are slain.

Other

Item Quantity Rarity GE market price
Coins 1000 Coins 1–5,306 Common Not sold
Loop half of key Loop half of key 1 Uncommon [H 1] 10,307
Tooth half of key Tooth half of key 1 Uncommon [H 1] 10,840
Clue scroll (elite) Clue scroll (elite) 1 Uncommon (1/33.75)[H 2] Not sold
Dragon med helm Dragon med helm 1 Rare [H 3] 58,488
  1. 1.0 1.1 Requires 1006 reward potential to roll. Only one half will be received.
  2. When all brothers are slain. 1/200 chance for each brother killed; scales up to 1/33.75 with all six brothers slain.
  3. Requires 1012 reward potential to roll.

Odds

Calculations assume all 6 brothers are killed for each chest. Only "One random set" is an approximation, the average of 5 million simulations. Where for example "5 unique items" means you have 19/24 items and you need 5 more unique items to complete all sets.

Reward Approximate chests needed
All 24 unique items 1541 chests
One unique item 408 chests
Two unique items 612 chests
Three unique items 748 chests
Four unique items 850 chests
Five unique items 932 chests
One random set 365 chests

Notes

  • According to the formula released by Mod Kieren on his Twitter, the chances of getting at least one piece of Barrows equipment is 1/17.42 if you kill all six brothers. This chance is unaffected by the kill count of the other monsters in the crypt. Therefore, the chance of receiving a specific equipment piece is approximately 1/418 (17.42*24).
  • Killing all of the brothers is not required to receive loot; however, not killing all brothers decreases your chance of receiving a Barrows item, and you will not be able to receive the items from the brothers that you missed.

Trivia

  • There is currently a glitch where if Guthan is slain and he heals simultaneously, a message will appear in the player's chatbox stating "We'll finish this later...".
  • Prior to an update, Barrows did not tell you what brothers the player had slain. In addition, before the aforementioned update, there was no looting interface upon searching the chest for rewards.
  • There is a one in 1.12 trillion chance of receiving 6 Barrows items after defeating all the brothers.

References

  1. Jagex. Mod Kieren's Twitter account. 3 Mar 2016. Mod Kieren: "You guys wanted info on Barrows loot, here it is... Full size: [1] Explained the best I can!"


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