Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Artillery	Defeated the Artillery.
Ashen Born	Answered the challenge of Uthos, the Ashen Born.
Celestial	Defeated the Celestial Beast.
Companion	Equipped the cube and used a program.
Congregators	Defeated the Arisen Congregators.
Consumer	Defeated the Consumer.
Event Horizon	Opened the Observatory's Iris, and gazed in Sagittarius' depth.
For your thoughts	Found the 66 coins.
Galaxy's Child	Unknown.
Gate to the Stars	Synchronized a Breach.
Good Spawn	Did as asked and ended it peacefully.
Hostess	Defeated Our Preying Hostess.
I'm full of bad ideas!	Unknown.
I'm still worthy	Gained the trust of a cosmic God.
Interface	Unknown.
It's full of stars	Found a monolith and explored the Underworld.
Knights	Defeated the four Archon Knight.
Master of Puppets	Answered the challenge of Ozyormy Goija, the Master of Puppets.
My old friend	Turned off the lights, from the start to the end.
One small step	Repaired the EVA suit and went for a walk outside Irid Novo.
Replicator	Printed an item using a blueprint.
Sentient	Unknown.
Shattered Mirror	Unknown.
Show me what you got	Talked to a cosmic God.
Slaver	Defeated the Archon Slaver.
Slayer	Defeated a horde.
Strangest Thing	Summoned a friendly... pet?
Surge of Power	Socketed an upgrade chip.
To the Fringe	Reached a more challenging parallel universe.
Transporter	Defeated the Transporter.
Undisturbed	Answered the challenge of Undisturbed Defas Nemundis.
Well of Souls	Found and input one of the Five Eyes codes.