Full list of all 98 Lost Castle achievements.
The base game contains 81 achievements, and there are 2 DLC packs containing 17 achievements.
Drink Potion of Fortune.
Defeat Death Asura.
Defeat Big Head.
Get drunk.
Open 100 chests.
Be revived by Badge of Rebirth.
Turns into a werewolf.
Kill 1000 enemies.
Collect 500 gold.
Defeat General.
Drink Blind Potion.
Defeat Cyclops.
Cast erosion skill.
Reach level 10.
Be saved by Protector of Life.
Defeat Boss Slime.
Drink Fart Potion, and fart everywhere.
Drink Ignition Potion, and set fire to everywhere.
Summon skull servants.
Drink Dwarf Potion.
Defeat The Puppy.
Open 30 chests.
Rescue pharmacist.
Drink Potion of Impoverishment.
Rescue thief.
Defeat King of Goblins.
Die 5 times.
Rescue blacksmith.
Kill 100 enemies.
Pick up the Ghost Armor.
Be caught into castle by goblins.
Kill 500 monsters with a two-handed sword.
Kill 500 monsters with a single-handed sword.
Kill 500 monsters with a spear.
Kill 500 monsters with a musket.
Kill 500 monsters with a staff.
Kill 500 monsters with dual blade.
Kill 500 monsters with a bow.
Defeat Demon Spider.
Defeat Death Lord.
Defeat Evil Tyrant.
Enter earl's secret chamber, and accomplish the first playthrough.
Reach level 30.
Defeat Nightmare Guardian.
Collect 3000 gold.
Accomplish final evolution of Ghost Armor.
Pick up the Spirit.
Drink Cathartic Potion, and poo everywhere.
Drink Giant Potion.
Save others 50 times.
Save other player successfully.
Die 30 times.
Drink 100 potions.
Use 5 blood altars.
Play one-arm bandit 100 times.
Collect 3000 evil souls.
Get burning debuff 100 times.
Get freezing debuff 100 times.
Get poisoned debuff 100 times.
Defeat King of Goblins(fortress).
Defeat Yaksha.
Defeat Rakshasa.
Defeat Great Mole Shark.
Defeat Great Golem.
Defeat Fallen Dreagon.
Defeat Lord Harwood.
Defeat Fallen Treasure Hunter.
Pick up Fallen Wings.
Hatch a baby dinosaur.
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.
Give The Puppy a meat.
Reach level 80.
Reach level 110.
Defeat Death Spirit.
Defeat Wood Knight
Defeat Monk Murloc
Defeat Dragon
Defeat Murloc Princess
Defeat Ice Giant
Defeat Ancient Troll
Defeat Adad
Defeat Gibil
Defeat Nusku
Defeat Forgotten Lord
Defeat Rollingmon
Defeat Go.Blin.Zilla
Defeat Lilith the Forgotten Heiress
Defeat Lord of the Light
Defeat Ice Element
Defeat Fire Hoof
Defeat Undefeated Hideyoshi