Here is the full list of all 49 WORLD OF FINAL FANTASY achievements. It takes around 50-60 hours to unlock all of the achievements on Windows.
Obtained every achievement.
Recorded every last Mirage in the Mirage Manual.
Mastered 100 Mirage Boards.
Opened every last treasure chest.
Defeated the Cogna known as XG.
Braved and completed the new dungeons that appeared.
Defeated every last murkrift Mirage.
Found the secret area in every dungeon.
Defeated many foes using any Magitek armor.
Cleared the sky of uncountable einhänders.
Thwacked a whole bunch of cactuars in a single thrashing.
Reached the final chamber of the Nether Nebula in record time.
Fulfilled the requests of every last townsperson in need.
Recorded an inconceivable number of Mirages in the Mirage Manual.
Defeated every last opponent in the Coliseum.
Defeated the Undead Princess 10 times.
Defeated the Quacho Queen with one of Lann’s attacks.
Reached the true ending.
Completed every last intervention battle.
Added Tamamohimé to your roster.
Joined forces with Shivalry to defeat the Golden Flan.
Chastised the fugitive Ifreeta.
Opened 100 treasure chests.
Brought all seven of the Pleiad back in line.
Recorded a huge number of Mirages in the Mirage Manual.
Defeated 30 teams at the Coliseum.
Mastered your first Mirage Board.
Completed 30 intervention battles.
Defeated Ultros in Tometown.
Reached an ending.
Battled 500 times.
Learned the location of Castle Exnine.
Defeated the Princess Goblin with the Warrior of Light.
Teamed up with Gilgamesh to stop the Bahamutian soldier.
Completed 10 intervention battles.
Got to the bottom of the “phenomenon” at the Coliseum.
Obtained every last Champion Medal.
Found all of the keys from the Crimson Prophecy.
Recorded a large number of Mirages in the Mirage Manual.
Found the first key from the Crimson Prophecy.
Completed your first intervention battle.
Obtained your first Champion Medal.
Battled 100 times.
Defeated your first murkrift Mirage.
Won your first Coliseum battle.
Repelled the Bahamutian Army.
Fulfilled a townsperson’s request for the first time.
Imprismed your first Mirage.
Arrived in Grymoire.