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