Kullervo’s Bane for Kullervo Parts

The Duviri Experience or The Lone Story during Anger, Fear, or Sorrow Spirals; the Warden starts the Hold fight, and Acrithis sells the blueprints.

SEE WHERE TO GO

Interactive location map

Interactive maps & location tools

Choose the planet and mission node listed in the guide. Mission interiors use generated tiles; the navigation map locates the mission.

Unlock Duviri through The Duviri Paradox quest.
Start a session in Anger, Fear, or Sorrow; the Hold is not present in the other listed Spirals.
Plan the Kullervo blueprints you need from Acrithis’s Archive.

Select The Duviri Experience or The Lone Story and verify the Spiral mood is Anger, Fear, or Sorrow.
Find Kullervo’s Hold during the session.
In The Duviri Experience, speak with the Warden to begin the optional fight.
Defeat Kullervo; the fight can be completed only once in that session.
Continue the Spiral objectives and complete the Orowyrm encounter.
After defeating both Kullervo and the session’s Orowyrm, receive Kullervo’s Bane.
Visit Acrithis and open Kullervo’s Archive.
Buy the planned blueprint or repeat the route in a later eligible session for more Bane.

Defeating Kullervo alone is not the full Bane route; complete the Orowyrm too.
Check Acrithis’s current blueprint costs before deciding how many sessions to run.

One Kullervo fight per session; repeat across later eligible Spirals to earn more Bane for additional blueprints.

Starting a Spiral without checking its mood; only Anger, Fear, and Sorrow include the Hold.
Expecting multiple Kullervo fights in one session; it is once per session.
Leaving after the boss without completing the Orowyrm; the stated Bane reward requires both.

Stop after buying the required Kullervo blueprints, or end the session after the one eligible fight and Orowyrm are complete.

Sources & fact checks

Open a guide to find other locations and see what the item is used for.

Farming guides

A session-based boss and Orowyrm loop that earns currency for Kullervo blueprints.