Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsNioh 3 has two co-op options: Summon Visitor for help in your current play and Expedition for exploring together. Open Co-op at a Shrine to summon or join a Visitor; start an Expedition from the Starting Point. A current guide reports that these options unlock at different story milestones.
Which co-op mode should you use?
| Mode | Best for | Where to start |
|---|---|---|
| Summon Visitor | Calling another player to help in your current play, or going to help someone else. | At a Shrine, open Co-op and choose Summon Visitor or Become a Visitor. |
| Expedition | A shared session exploring open fields with other players. | Choose Expedition from the Starting Point. |
These are the purposes described by KOEI TECMO’s official manual and Team NINJA’s official game page. The manual says online co-op supports up to three players.
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When does each co-op option unlock?
The following story milestones come from a guide for game version v1.04, last updated February 25, 2026. The official manual confirms the co-op menus and modes but does not specify these unlock points.
- Summon Visitor: Reach the second Shrine in Battle of Hitokoto Slope.
- Become a Visitor: Defeat Yamagata Masakage.
- Expedition: Defeat Jakotsu-baba in Hamamatsu and receive the Guiding Mirror.
If a listed option is missing, check your story progress and the current in-game menus; the guide’s milestones may not reflect later changes. The guide is Nioh3.net’s co-op guide.
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How to summon a Visitor or join as one
- Reach the reported unlock point for the Visitor option you need.
- At a Shrine, open Co-op.
- To get help, select Summon Visitor. The guide reports that you can use random matching or enter a Secret Code to connect with a friend, and that summoning costs one Ochoko Cup per Visitor.
- To help another player, select Become a Visitor. For a friend’s session, use the same Secret Code as the host.
How to start or join an Expedition
- Defeat Jakotsu-baba in Hamamatsu and receive the Guiding Mirror, the unlock point reported by the current guide.
- Go to the Starting Point and choose Expedition.
- Create a room or join one. For a private session with friends, use a private room and the same Secret Code.
What to know before playing online
- Player limit: Online co-op supports up to three players, according to the official manual.
- Crossplay: PlayStation and PC players cannot play together. Nioh 3 is available on PS5 and Windows PC via Steam; choose the same platform ecosystem as your friends. See the official game page and KOEI TECMO America’s launch announcement.
- PS5 online play: PlayStation says PS Plus is required for online play on PS5. Check the PlayStation product page for the platform’s current details.
Visitor or Expedition: rules beyond the basic purpose
The official descriptions distinguish help in a player’s current play from shared open-field exploration. The v1.04 guide also reports differences involving deaths, revives, enemy scaling, and mission credit: it says Visitor sessions end on a death, while Expeditions use an Assist Gauge revive mechanic. These finer rules are guide-reported rather than confirmed in the official manual, so check the mode description in-game before you start if they affect your choice.
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