# Battery This item can hold additional voltage beyond what it needs to remain stable. # Calibration This item must have been calibrated within a certain time frame (typically a week) in order to be used. If the item is uncalibrated, it either cannot be used, or is considered **Brittle**. Last date calibrated should be tracked by the player. It is suggested that the player keeps only one calibration date for all their personal effects, rather than check each one individually. # Rustable/Rusted This metal item is susceptible to rusting in water. Items that rust will lose functionality and weapons will deal the lowest damage possible. 1* and 2* items can usually be treated with a [[Whetstone]]. Rusted items are considered **Brittle**.