Here is the full list of all 51 Salvation Prophecy achievements.
As faction commander, make peace with another faction.
Destroy enough fighter ships to achieve a colossal reputation.
Deliver the killing blow to a mech.
Complete missions to obtain military rank 8, faction commander.
Complete a bounty mission against the pirate named Fisheye Grim.
Destroy enough fighter ships to achieve an infamous reputation.
Complete a bounty mission against the pirate named Shred Necrotitis.
Seek out the Rune of Summoning.
Complete a bounty mission against the pirate named Cranium Eterneon.
Complete missions to obtain military rank 7.
Deliver the final damage which destroys a space station.
Destroy enough fighter ships to achieve a lethal reputation.
Complete a bounty mission against the pirate named Kelmar the Twitch.
Deliver the final damage which destroys a battleship.
Destroy enough fighter ships to achieve a feared reputation.
Complete a bounty mission against the pirate named Deadman Fallen.
Complete a bounty mission against the pirate named The Reaver.
Complete missions to obtain military rank 6.
Destroy enough fighter ships to achieve a dangerous reputation.
Complete missions to obtain military rank 5.
Seek out the Rune of the Continuum.
Successfully navigate through an unstable wormhole.
Complete a bounty mission against the pirate named Malice Blackhand.
Destroy enough fighter ships to achieve a sturdy reputation.
Destroy enough fighter ships to achieve a capable reputation.
Complete a bounty mission against the pirate named Narcisus Humungous.
Complete missions to obtain military rank 4.
Complete a bounty mission against the pirate named Shibby Wag.
Destroy enough fighter ships to achieve a recognized reputation.
Complete a bounty mission against the pirate named Little Jack.
Complete missions to obtain military rank 3.
Successfully navigate through a wormhole.
Successfully navigate through jump space.
Complete missions to obtain military rank 2.
Travel to 10 different planets.
Consume 100 stims across all your battles.
Destroy enough fighter ships to achieve a legendary reputation.
Seek out the Rune of Celestial Oblivion.
Seek out the Rune of the Sun
Seek out the Rune of the Void.
Colonize 5 planets as faction commander.
Construct 5 new space stations as faction commander.
Construct 5 new battleships as faction commander.
Utterly destroy the Drone Unity faction.
Utterly destroy the Free Nations faction.
Utterly destroy the Salvation faction.
Utterly destroy the Wyr faction.
Defend a colony against an alien attack.
Destroy the alien mother ship.
Walk the path of the sun to the alien homeworld.
Walk the path of the void to the alien homeworld.