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{{Infobox
|eng = Mapping Cave Systems
|description = {{Description|Mapping Cave Systems}}
|source = Found in a box in the back of the [[Adventurer's Guild]]
|showheader = n
}}
The '''Mapping Cave Systems''' is a [[Books|book]] that can be found in a box in the back of the [[Adventurer's Guild]]. This part of the building is only accessible once you've slain 1000 monsters.
Reading the book grants the player a 50% discount on Marlon's item retrieval service.
Once obtained, this discount can be found as a power in the [[the Player]]'s Menu on the [[Special Items & Powers]] tab.
==History==
{{History|1.6|Introduced.}}
[[en:Mapping Cave Systems]]
[[Category:Books]]