Items | |||||
---|---|---|---|---|---|
Battle Record | Upgrade mat. | Building mat. | Skill Summaries | Promotion mat. | Tokens |
Currencies | Sanity rest. | Event | Operator | I.S. | Misc. |
Skill Summaries are needed in Operators' skill upgrades and Mastery training.
Aerial Threat daily operations are the most efficient operations to obtain Skill Summaries.