Full list of all 98 Lost Castle achievements.
The base game contains 81 achievements, and there are 2 DLC packs containing 17 achievements.
Defeat Big Head.
Defeat King of Goblins(fortress).
Enter earl's secret chamber, and accomplish the first playthrough.
Defeat Evil Tyrant.
Kill 500 monsters with a single-handed sword.
Defeat Cyclops.
Get poisoned debuff 100 times.
Collect 3000 gold.
Defeat Nightmare Guardian.
Defeat General.
Defeat Great Golem.
Kill 500 monsters with a staff.
Kill 500 monsters with dual blade.
Reach level 30.
Use 5 blood altars.
Defeat Great Mole Shark.
Drink 100 potions.
Kill 500 monsters with a two-handed sword.
Kill 500 monsters with a musket.
Get drunk.
Die 30 times.
Be saved by Protector of Life.
Give The Puppy a meat.
Reach level 10.
Kill 1000 enemies.
Be revived by Badge of Rebirth.
Defeat Demon Spider.
Drink Potion of Fortune.
Drink Potion of Impoverishment.
Drink Blind Potion.
Drink Cathartic Potion, and poo everywhere.
Open 100 chests.
Cast erosion skill.
Drink Dwarf Potion.
Collect 500 gold.
Drink Fart Potion, and fart everywhere.
Defeat The Puppy.
Hatch a baby dinosaur.
Drink Giant Potion.
Turns into a werewolf.
Summon skull servants.
Pick up the Spirit.
Defeat Boss Slime.
Open 30 chests.
Defeat King of Goblins.
Drink Ignition Potion, and set fire to everywhere.
Die 5 times.
Kill 100 enemies.
Rescue pharmacist.
Pick up the Ghost Armor.
Rescue blacksmith.
Rescue thief.
Be caught into castle by goblins.
Kill 500 monsters with a spear.
Kill 500 monsters with a bow.
Defeat Death Lord.
Accomplish final evolution of Ghost Armor.
Save others 50 times.
Save other player successfully.
Play one-arm bandit 100 times.
Collect 3000 evil souls.
Get burning debuff 100 times.
Get freezing debuff 100 times.
Defeat Death Asura.
Defeat Yaksha.
Defeat Rakshasa.
Defeat Fallen Dreagon.
Defeat Lord Harwood.
Defeat Fallen Treasure Hunter.
Pick up Fallen Wings.
Feed the baby dinosaur to become adult.
Pick up Evil mirror and generate another self.
3 spirits follow you at the same time.
Record all kinds of weapons and armor.
Record all kinds of monsters in the castle.
Record all kinds of items and treasures.
Defeat Death Asura WITHOUT breaking any of its hands.
Destroy Goblin king's fortress ONLY with bombs.
Reach level 80.
Reach level 110.
Defeat Death Spirit.
Defeat Monk Murloc
Defeat Wood Knight
Defeat Dragon
Defeat Murloc Princess
Defeat Ice Giant
Defeat Ancient Troll
Defeat Adad
Defeat Gibil
Defeat Nusku
Defeat Forgotten Lord
Defeat Lilith the Forgotten Heiress
Defeat Lord of the Light
Defeat Ice Element
Defeat Rollingmon
Defeat Fire Hoof
Defeat Go.Blin.Zilla
Defeat Undefeated Hideyoshi