Official Investigator Log
What It's Used For
Provides 600 EXP for an Agent.
How to obtain
Combat Simulation (HIA Club VR Device) Agent EXP stages, commissions, Hollow Zero, exchanges. Mid-tier Agent EXP.
Per official data
[Obtain] Combat Simulation - Basic Upgrade Materials
Lore
This provides far more combat-related details compared to the newbie Investigator's records.
Same rarity items
FAQ
What is Official Investigator Log used for in Zenless Zone Zero?
Provides 600 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 Official Investigator Log, and how many stars is it?
Official 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→