Full list of all 23 Skul: The Hero Slayer achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Defeat the First Hero with the Little Bone.
Kill 100 adventurers.
Reach the top of the chandelier in the Demon King Castle.
Reach the top of the throne in the Demon King Castle.
Restore the Demon King Castle to its original form.
Die from a trap.
Return after experiencing death.
Rescue the Demon King and return to Demon King's Castle.
Defeat the Sword of Carleon, the First Hero.
Defeat the Sword of Carleon, the First Hero, without being hit.
Defeat the First-Hero without rescuing any NPCs
Spend 5 minutes on the Black Market.
Re-stock continously.
Keep talking with the Headless.
Stay in the black market for 1 minute.
Defeat the archbishop of the Leonia Order, St. Joan II, without being hit.
Defeat the archbishop of the Leonia Order, St. Joan II.
Defeat the distorted goddess, Chimaera, without being hit.
Defeat the distorted goddess, Chimaera.
Defeat the adjutants of the Gold Mane Knights, the Leiana Sisters, without being hit.
Defeat the adjutants of the Gold Mane Knights, the Leiana Sisters.
Defeat the elder ent, Yggdrasil, without being hit.
Defeat the elder ent, Yggdrasil.