Speak to Tristan at the hub.
Pickups in this mission
Open this mission’s independent boss guide →
01Residual Chaos entrance: turn back for the memory and left Soulstone
Next complete Residual Chaos, the final side mission in this region.

Rest on arrival, then turn around and absorb the memory on the ground.

Enter from the left to find a Soulstone in the corner.

03Inside the purple portal: clear the enemy waves to activate the switch
Return to the main route and enter the purple portal.

Collect the white item in the right corner after teleporting.

Absorb the memory in the middle of the route.

Collect the purple item beside the first light gate on the left.

Clear the many waves emerging from the portals. Spawning stops after the final elite falls.

Only then can you operate the mechanism ahead.

04Return through the portal: search the left chest and Elamein's notes on the main path
Activate it and return through the portal.

Open the chest on the left after teleporting.

Follow the main route beside it and collect Elamein's Notes.

06Switch at the main path's end: teleport again to the experimental record
Absorb the memory in the corner ahead.

Continue to the end and activate the switch.

Use the portal after activating it.

Collect Tania's Experiment Log III directly ahead.

08Hidden door left of the stairs: scroll and corner jar
Follow the main route upstairs and open the hidden door on the left.

Collect the red Endless Tragedy Scroll inside.

A Jarling hides in the corner pot.

11Tanya beyond the Nexus: trigger Elamein's memory after the battle
Leave and rest at the Nexus ahead before the boss.

Tania resembles a familiar lesser enemy and steals health on hit. Maintain enough damage to overcome her healing.

Victory triggers a memory involving Elamein and ends the mission.

Continue
Reference: 3DM Guide Team
GAME NOTE has reorganized and rewritten the routes from this walkthrough.