Character progression materials
Farm Simulation Room skill materials
Convert faction-limited clears into materials and roster progress.
Ark > Simulation Room.
Repeat the available Simulation Room activity as its rewards refresh. Each run provides the materials shown for that run; collect them before leaving the result screen.
Stop after collecting the current available rewards or when the next difficulty is no longer clearable; return with a stronger squad.
Open a guide to find other locations and see what the item is used for.
Convert faction-limited clears into materials and roster progress.