Here is the full list of all 13 A King's Tale: Final Fantasy XV achievements worth 1,000 gamerscore.
Complete Story Mode.
Get the alternate story ending.
Execute the Bonds of Battle.
Deflect 50 stingers or needles.
Use the Armiger on a tonberry.
Detonate 3 bombs simultaneously.
Kill 5 or more enemies with one spell.
Complete all Dream Battle Special Challenges.
Defeat 1000 enemies.
Perform every move in one combo string.
Finish a Dream Battle in under 1 minute.
Finish a Dream Battle without taking damage.
Die 10 times in Story Mode.