GamePress

Item Description

An important tool in component processing. It has stable properties, and will never explode, powderize, or crack.

Item Usage

A grindstone used to process weapon parts. Can be used for a variety of upgrades and for production in the Factory.

Item Obtain Approach

Missions Item Drops From

Common Drop

Stage Type Mission Sanity Drop Rate Sanity per Drop
Activity GT-6 15
Activity AF-8 18
Main 3-3 15 32.61% 46.0
Main 4-8 21 34.71% 60.5
Main 5-7 21 34.60% 60.7
Main 6-14 18

Additional Drop

Stage Type Mission Sanity Drop Rate Sanity per Drop
Main 3-8 18
Main 4-5 18
Main 4-8 21
Main 4-9 21
Main 5-4 18
Main 5-8 18
Main 6-2 18
Main 6-4 18
Main 6-10 18
Main 6-15 18
Sub S4-2 18
Sub S4-5 18
Sub S4-8 18
Sub S5-7 18
Main S6-1 18
Main S6-4 18