Welcome to NGB and our Xenoblade Chronicles X: Definitive Edition walkthrough for The Ties That Bind affinity mission! This guide will cover everything you need to know to easily complete this quest, including how to start the mission and the steps you will need to take to finish it.
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How to Start The Ties That Bind Affinity Mission
In Xenoblade Chronicles X: Definitive Edition, affinity and main story missions are unique in that you can only undertake one at a time. If you begin an affinity mission, you won’t be able to start a main story mission, and vice versa. Furthermore, you can only have one affinity or story mission active at any given time.

The Ties That Bind affinity mission in Xenoblade Chronicles X: Definitive Edition becomes available after completing Chapter 4. This mission can be found in NLA’s Commercial District. The recommended level for this mission is 15 and the required level is 15. The primary destination for this mission is Noctilum.
The Ties That Bind Walkthrough
Head to Tatsu’s childhood home of the Dodonga Caravan and get him to confront his past.
Head to the Dodonga Caravan at Noctilum’s Whale’s Nostril

Travel to the Whale’s Nostril in Noctilum. Enter this area from Sapphire Carpet. Head south through the cave. On the southwestern side, you’ll find a tunnel that leads to a Nopon Camp.

When you approach this camp, a cutscene will trigger.
Talk to Koko
After the cutscene, speak with Koko.
Search for Tatsu’s father’s glasses on the shore south of Primordia’s Biahno Lake

Travel just east of the Shadow Rise landmark, which is west of NLA. Once on the beach, head to the objective to trigger another cutscene.
Retrieve Tatsu’s father’s glasses from Primordia’s Headwater Cavern

Head northwest along the western side of Biahno Lake. When you reach FN Site 104, swim north to find Headwater Cavern. Enter the cave then head to the end to find a Level 22 Bizarre Insidia. Defeat it then collect the red item from behind the wrecked Skell.

Talk to Koko
Return to Dodonga Cavern and speak with Koko. The Ties that Bind mission will then complete.
Completion Rewards
As a reward for completing The Ties That Bind mission, you’ll receive the following:
- Experience x200
- Reward Money x12,000
- Memento
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