Complete collection of books and materials after the disaster
crystal
acquire
Investigation grade award, incidental task award, relics
suggestion
Rare materials for advanced skills should be considered before use.
Crystalline block
acquire
Kill the enemy, air drop, entrust a task, etc.
suggestion
Low-level skill materials have a wide range of sources, and they will be refreshed and harvested again when the supply is in short supply.
Limiter
acquire
Commissioned tasks, map treasure chest, survey level reward
suggestion
It is suggested that the materials to improve the skills of specific roles should be obtained in three categories.