Full list of all 50 Infinite Undiscovery achievements worth 1,000 gamerscore. It takes around 120-150 hours to unlock all of the achievements on Xbox 360.
Obtained 99,999,999 Fol.
Obtained every item.
Defeated Ethereal Queen in Infinity mode.
Defeated Ethereal Queen in Hard mode.
Learned every spell.
Learned every battle skill.
Learned every tune.
Cooked a Heaven and Earth dish.
Executed a 20-hit down combo.
Sigmund joined your party in the Seraphic Gate.
Wrote "Will of the Universe."
Played for over 40 hours.
Alchemized a holy grail.
Forged an azureal blade.
Allowed nine characters to vermify.
Connected with every character.
Defeated Veros.
Defeated the Dreadknight.
Destroyed the Ashen Chain.
Reached Sapran within 3 minutes.
Destroyed the Amber Chain.
Reached Empress Svala within 3 minutes.
Obtained level 6 writing skills.
Destroyed the Cerulean Chain without being hit by the tsunami once.
Destroyed the Cerulean Chain.
Obtained level 6 alchemy skills.
Obtained level 6 cooking skills.
Defeated ten enemies using a mine cart in the Bihar Mines.
Obtained level 6 enchanting skills.
Obtained level 4 enchanting skills.
Obtained level 4 writing skills.
Obtained level 6 forging skills.
Destroyed the Crimson Chain.
Allowed the enemy to surprise you 10 times.
Rescued Leif before he got injured.
Reached a safe haven without letting any unblesseds perish.
Destroyed the Orange Chain.
Executed a 30-hit ground combo.
Defeated 1000 enemies.
Obtained level 4 alchemy skills.
Obtained level 4 forging skills.
Obtained level 4 cooking skills.
Destroyed the Azure Chain.
Rescued all the Burguss soldiers in Castle Prevant.
Executed a 20-hit aerial combo.
Defeated ten enemies using a catapult at Castle Prevant.
Launched 10 surprise attacks.
Reached Nolaan without taking any damage.
Detonated every explosive barrel in Graad Prison.
Launched your first surprise attack.