Malugaz the Corrupted Scanner頽廃の王マルガズのスキャナー

Scans the world for Malugaz the Corrupted. Consumed on successful scan.
In-game description

How to use Malugaz the Corrupted Scanner

Malugaz the Corrupted Scanner is a scanner that marks where Malugaz the Corrupted is on your map. Use it when you cannot find the boss.

Put Malugaz the Corrupted Scanner in your hotbar, select it and use it (right-click). Using it takes 2 seconds.
If the scan succeeds, the location of Malugaz the Corrupted is marked on your map and Malugaz the Corrupted Scanner is used up (it is only consumed on a successful scan).
Follow the marker on the map.

The marker stays on the map until Malugaz the Corrupted is defeated.

Calculated and summarized by this site from the game data (1.3.0.6).

These notes cover behavior that the game files do not show directly. They are based on facts from the Core Keeper Wiki (Fandom) page "Malugaz the Corrupted Scanner" (CC BY-SA 3.0), rewritten in this site's own words.

Material	Amount	How to get the material
Ancient Gemstone	× 5	Fishing Boss Enemy Chest Breakable
Mechanical Part	× 5	Boss Enemy Chest Digging Breakable