It integrates into the Resource Pit of the xerjs and ensures the stability of all resources stored in the pit. Preservator reduces the likelihood of weathering in overflow conditions.
It can be found in any expedition with Science Vessel (for humans), Queen (for xerjs), and Investigator (for tosses), with a probability proportional to the expedition's time in days.
Once per hour, an active Resource Preserver has a 0.125% chance of breaking.