Osiris — Containing the Anomaly

"Guardian," Osiris says. "The Red Legion's meddling with the Sundial continues to create timeline instabilities across the system. We need to maintain the link between the Sundial and the obelisks I've created.

"Venture out into the system to strengthen the link between an obelisk and the Sundial. We cannot afford for time to break elsewhere as it has on Mercury."