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