On Drop Rate
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About On Drop Rate

On Drop Rate helps you check roughly how long you'd need to grind for an item, and whether you're actually dry right now, or just feeling like it.

We're passionate OSRS players, grinding since the game's 2013 release across multiple accounts and every seasonal game mode along the way.

This vibe-coded project is built and maintained by us.

Greetings from Team On Drop Rate.

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← All bosses
Chambers of Xeric (CM)
Chambers of Xeric (CM)
Raid mode
Normal Challenge Mode
Kills per hour modifier
kills/hour

The Twisted bow takes about
331 hours and 40 minutes to obtain if you are exactly on droprate.

Assumes solo Challenge Mode raids, deathless and completed in time

Expected kills
398
Expected kills on drop rate
Expected time to obtain
331h 40m
at 1.2 kills/hour (average)

The time to obtain Twisted bow at Chambers of Xeric (CM), if you are exactly on drop rate, will be 331 hours and 40 minutes with average gear and 234 hours and 7 minutes in max gear. That is about 398 kills on average.

Customize your estimated kills per hour above to see your own time to be on drop rate.

Additional information

During this grind you will also be making roughly 2,419,615,574 gp in total loot — about 7,295,323 gp per hour at 1.2 kills per hour. The biggest earner over that stretch is Twisted bow at about 1,355,643,391 gp.

Each kill has a 0.2513% chance at Twisted bow. Half of all players get it within 276 kills, 916 kills covers 90%, and 1,831 kills covers 99% — so going past 398 kills without one is unlucky, but not unusual.

Loot values use live Grand Exchange prices and shift with the market.

Loot from 398 kills

Loading prices…
Item Quantity Price (ea) Total value
Total loot value—

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