| 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 operations are the most efficient place to farm Skill Summaries.
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