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