Ahrim's hood after 1,000 chests
By 1,000 all-six-brothers chests, the expected count is 2.86 Ahrim's hoods. The chance from one chest is 0.29%, with a long-run average of about one Ahrim's hood every 350 chests.
Barrows
Enter your RuneScape name or chest count, choose a target, check your current odds, and see how your drops compare.
Your chests
Enter the chest count yourself or edit a loaded value.
Enter a whole number from 0 to 1,000,000,000.Use chests where you killed all six brothers.
Choose any Barrows equipment or one exact item.
Count only this item, not all Barrows equipment.
Plan your next runs
Choose how many upcoming chests to include.
Enter a whole number from 1 to 1,000,000,000.Changes the time estimate only.
Enter a number from 0.1 to 1,000.Target odds
Enter your chest count to see odds for the selected target.
Check the highlighted values, then try again.
Each chest opening is independent. Past drops do not change the chance of the next chest.
Future odds
Your run
With all six brothers killed, each Barrows chest gives seven reward rolls. Every roll has a 1/102 chance of Barrows equipment. For one specific item, that works out to 7/2,448 per chest.
Check target odds and future-chest chancesFor one exact item: 7 reward rolls ÷ 102 ÷ 24 items = 7/2,448 per chest. Across multiple chests, the calculator treats each chest opening as independent.
Use it for chests where all six brothers were killed. It shows per-chest and cumulative target odds, calculates the chance over a future number of chests, and shows whether an entered result is dry, normal, or lucky. Common rewards, selective brother kills, loot values, and collection log completion need different calculations.
By 1,000 all-six-brothers chests, the expected count is 2.86 Ahrim's hoods. The chance from one chest is 0.29%, with a long-run average of about one Ahrim's hood every 350 chests.
By 350 all-six-brothers chests, the expected total is 24.02 equipment drops. The chance from one chest is 6.66%, with a long-run average of about one equipment piece every 15 chests.