Prosper

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Prosper is an Invention perk that provides a chance to find clue scrolls while training skills. It can be created in tool gizmos. The chance of obtaining a clue scroll differs depending on the skill that is trained.[1]

Prosper has a chance of triggering whenever experience is gained in one of the skills listed below, and so to trigger this perk most frequently the method that grants the quickest experience drops should be chosen. Different skills have different chances of granting a clue scroll (see Drop rate). Smithing offers both the greatest chance at rolling a clue and has the fastest experience drops (once every two ticks).

The Prosper perk can still trigger while training even if the player has reached the soft cap of clue scrolls of a certain tier, which is 25 or 50 clue scrolls, depending on whether the clue capacity upgrade has been purchased. If the player's inventory is full when the perk triggers, the clue scroll will be dropped to the floor.

When the perk triggers, it prompts the message: Your Prosper perk allows you to find a new treasure trail: Sealed clue scroll ([difficulty])

Drop rate[edit | edit source]

Rolling a clue[edit | edit source]

Prosper rolls whenever experience is gained in the following skills. The chance for Prosper to activate for each skill is as follows:

Skill Chance Chance (level 20)[c 1]
Woodcutting 1/1,280 1/1,152
Mining 1/2,560 1/2,304
Firemaking 1/1,280 1/1,152
Fishing 1/1,280 1/1,152
Smithing 1/960 1/864
Archaeology Unknown Unknown
  1. ^ If the equipment level of an augmented item is level 20.

Clue tier[edit | edit source]

When Prosper activates, the chance to obtain a specific tier of a clue scroll is as follows:

Tier Chance (simplified)[t 1] Chance (specific)
Easy 1/20 1/20
Medium 2/20 2/20
Hard 10/20 10/20
Elite 7/20 693/2000
Master 7/2000
  1. ^ The chance of receiving either an elite or master clue scroll is 7/20. There is a 1% chance of receiving a master clue scroll instead of an elite clue scroll. The combined elite/master chance is shown in the first chance column for simplicity, then listed individually for the specific chance of each in the next column.

Sources[edit | edit source]

MaterialRarityPerk ranks with X materials
Standard gizmoAncient gizmo
12345123456789
Timeworn components.png
Timeworn componentsAncient00000011111111
Evasive components.png
Evasive componentsUncommon00111000111111
Third-age components.png
Third-age componentsRare11111011111111
Stave parts.png
Stave partsCommon00001000000011

Suggested gizmos[edit | edit source]

Gizmo layout Possible perks Approx costs
Evasive components.png
Evasive components.pngEvasive components.pngEvasive components.png
With level 1 invention (and no higher), chance of only prosper is over 95%.
Tool gizmo shell 187,735
See RS:Material prices for details on how prices are approximated.
Third-age components.png
Tool gizmo shell 15,653,380
See RS:Material prices for details on how prices are approximated.
Timeworn components.pngTimeworn components.pngTimeworn components.png
Timeworn components.pngTimeworn components.pngTimeworn components.png
Timeworn components.png
Ancient tool gizmo shell 681,974
See RS:Material prices for details on how prices are approximated.
Silent components.pngSilent components.pngTimeworn components.png
Silent components.pngSilent components.pngSilent components.png
Timeworn components.pngSilent components.pngTimeworn components.png
Ancient tool gizmo shell 4,253,108
See RS:Material prices for details on how prices are approximated.
Silent components.pngSilent components.pngSilent components.png
Silent components.pngThird-age components.pngSilent components.png
Silent components.pngSilent components.pngSilent components.png
Chance increases with Extreme invention.png: RS3 Inventory image of Extreme invention and level 120. Chance for Honed 6, Prosper is 18.69% or 1/5.35 chance.
Ancient tool gizmo shell 20,922,481
See RS:Material prices for details on how prices are approximated.
Vintage components.pngVintage components.pngTimeworn components.png
Vintage components.pngVintage components.pngVintage components.png
Timeworn components.pngVintage components.pngTimeworn components.png
Chance increases with Extreme invention.png: RS3 Inventory image of Extreme invention and level 120. Chance for Furnace 4, Prosper is 58.24% or 1/1.71.
Ancient tool gizmo shell 1,524,110
See RS:Material prices for details on how prices are approximated.

Update history[edit | edit source]

This information has been compiled as part of the update history project. Some updates may not be included—see here for how to help out!
  • patch 17 February 2020 (Update):
    • The Prosper perk from the Invention skill now states which level of clue you obtain when it activates.
  • patch 26 March 2018 (Update):
    • The Prosper perk text now mentions the chance to get a Master Clue scroll.
  • patch 20 March 2017 (Update):
    • Unfiltered the message received when acquiring a clue scroll via the Prosper perk.
  • patch 13 February 2017 (Update):
    • The chance of the Prosper perk giving a clue scroll is now doubled.

References[edit | edit source]

  1. ^ Mod Ryan. Prosper Perk. reddit.com. 6 February 2017. (Archived from the original on 5 June 2021.) "It sounds like luck isn't in your favour. The rates aren't that high, but they do differ depending on the skill that you train. It's worth noting that your chances are not increased if you already own any clue scrolls. As an example, if it tries to give you an easy clue but you already own one then it'll stop there."