Mapping Cave Systems

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This page or section contains unmarked spoilers from update 1.6 of Stardew Valley. Players may want to avoid or be cautious toward reading this article/section.

Mapping Cave Systems
Mapping Cave Systems.png
You get a 50% discount on Marlon's item retrieval service.
Source Adventurer's GuildBookseller
Sell Price data-sort-value="4000">Gold.png4,000g

Mapping Cave Systems is a power book that can be obtained from a box in the back room of the Adventurer's Guild, which is accessible after killing 1,000 monsters.[1] It can also be purchased from the Bookseller for data-sort-value="20000">Gold.png20,000g starting in Year 3 (~9% chance to appear).[2]

The first reading grants the player a power that gives them a 50% discount on Marlon's Item Recovery Service. Once read, it can be found in the Player's Menu on the Special Items & Powers tab. Each subsequent reading gives the player 100 Combat XP.


Villager Reactions

Love Penny Icon.png Penny
Like Elliott Icon.png Elliott
Neutral Abigail Icon.png AbigailCaroline Icon.png CarolineClint Icon.png ClintDemetrius Icon.png DemetriusDwarf Icon.png DwarfEmily Icon.png EmilyEvelyn Icon.png EvelynGeorge Icon.png GeorgeGus Icon.png GusHaley Icon.png HaleyHarvey Icon.png HarveyJas Icon.png JasJodi Icon.png JodiKent Icon.png KentKrobus Icon.png KrobusLeah Icon.png LeahLeo Icon.png LeoLewis Icon.png LewisLinus Icon.png LinusMarnie Icon.png MarnieMaru Icon.png MaruPam Icon.png PamPierre Icon.png PierreRobin Icon.png RobinSam Icon.png SamSandy Icon.png SandySebastian Icon.png SebastianShane Icon.png ShaneVincent Icon.png VincentWilly Icon.png WillyWizard Icon.png Wizard
Dislike Alex Icon.png Alex


Mapping Cave Systems is not used in any bundles.


Mapping Cave Systems is not used in any tailoring. It can be used as a dark gray dye when used in the spool of the Sewing Machine with a dyeable clothing item in the feed.


Mapping Cave Systems is not used in any quests.


  1. See Maps\AdventureGuild.tmx in the game files.
  2. See Data\Shops.xnb in the game files.


  • 1.6: Introduced.