Full list of all 31 A Knight's Quest achievements worth 1,000 gamerscore. It takes around 40-50 hours to unlock all of the achievements on Xbox One.
Complete the Prologue
Complete the Game
Defeat the Wind General
Defeat the Fire General
Defeat the Ice General
Defeat Tikis
Defeat Glacia
Defeat Naraka
First use of Spirit Power
First use of Fire Run
First use of Ice Ball
Find a Health Upgrade
Find a Backpack upgrade
Smash all barrels and crates in Regalia port city
Fall to your death 13 times.
Collect your first Gold Key
Collect your first Slime
Collect your first Essence
Collect all Gold Keys
Collect all Slimes
Collect all Essences
Upgrade 1 of 3 for weapons
Upgrade 2 of 3 for weapons
Upgrade 3 of 3 for weapons
Kill 3 enemies with each of the 3 different weapons within 15 seconds
Kill 5 enemies at once
Slime 5 enemies at once
Stun 5 enemies at once
Complete all the Races
Parry 50 attacks
Kill any 50 skeletons