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
Artio
Artio
Boss version
Artio Callisto (solo)
Kills per hour modifier
kills/hour

The Claws of Callisto takes about
13 hours and 9 minutes to obtain if you are exactly on droprate.

Expected kills
618
Expected kills on drop rate
Expected time to obtain
13h 9m
at 47 kills/hour (average)

The time to obtain Claws of Callisto at Artio, if you are exactly on drop rate, will be 18 hours and 44 minutes with beginner gear, 13 hours and 9 minutes with average gear and 11 hours and 14 minutes in max gear. That is about 618 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 24,170,692 gp in total loot — about 1,838,224 gp per hour at 47 kills per hour. The biggest earner over that stretch is Ranarr seed at about 2,160,634 gp.

Each kill has a 0.1618% chance at Claws of Callisto. Half of all players get it within 429 kills, 1,422 kills covers 90%, and 2,844 kills covers 99% — so going past 618 kills without one is unlucky, but not unusual.

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

Loot from 618 kills

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

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