Upper Bionis Affinity
"To open the gates that protect the transporter to Prison Island, you will need to release the seals on Khatorl Seal Island and Soltnar Seal Island."
Giver Unique Comments Location Time
Story Quest None Eryth Sea Automatic
Prerequisites: In the course to Prison Island, Path to Prison Island accepted
  1. "Release the seal on Khatorl Seal Island."
  2. "Release the seal on Soltnar Seal Island."
Rewards: None
Results: "The Khatorl and Soltnar gates are open."

Sister Seals is a Story Quest in Xenoblade Chronicles. It is automagically received along with Path to Prison Island while travelling through the Eryth Sea.

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