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Senior Investigator Log
What It's Used For
Provides 3000 EXP for an Agent.
How to obtain
Combat Simulation Agent EXP stages, boss/weekly rewards, exchanges. Highest-tier Agent EXP.
Per official data
[Obtain] Combat Simulation - Basic Upgrade Materials
Lore
Detailed and meticulous operation logs. Watching this makes you feel as if you have explored Hollows yourself.
Same rarity items
FAQ
What is Senior Investigator Log used for in Zenless Zone Zero?
Provides 3000 EXP for an Agent. This is a 1-star item in Zenless Zone Zero (ZZZ), kept in the Proxy's inventory and used to upgrade Agents, W-Engines, or Drive Discs depending on the exact item type — see how to obtain it and where to farm it in the sections below.
What item type is Senior Investigator Log, and how many stars is it?
Senior Investigator Log is a "Agent EXP" item with a 1-star rarity in Zenless Zone Zero. See more items of the same rarity at the bottom of this page to compare and plan your farming.
Characters→
W-Engines→
Drive Discs→