While Lost Castle 2 may be an indie game, you wouldn't know it by looking at the achievement list. This rouguelite has a total of 85 achievements for players to unlock if they'd like to 100 percent the game, and while a good chunk of them are automatically unlocked as you play the game, others will take some grinding to complete.
Per usual, several of the achievements will be considered Hidden Achievements, which means you won't be able to see them until they're unlocked, but you can find a complete list of every achievement in the table below, as well as tips on how to unlock each one.
All Lost Castle 2 Achievements
Achievement
Description
How To Unlock
Adventure Begins
Enter the camp for the first time.
After you die in the tutorial run, you'll be automatically brought here and unlock this achievement.
Junior Treasure Collector
Collect and record 20 different treasures during your adventure.
As long as you survive through the first couple of areas, this should unlock automatically.
Junior Weapon Collector
Collect and record 20 different weapons during your adventure.
This one will require a little more effort as you'll need to pick up different weapons for this to register, but you should be doing this pretty regularly since you'll gain access to better weapons as you progress in your runs.
Intermediate Treasure Collector
Collect and record 50 different treasures during your adventure.
Same as the junior version of this achievement, only that it's 50 instead of 20. Just be sure to pick up all the treasure you earn on your runs.
Intermediate Weapon Collector
Collect and record 50 different weapons during your adventure.
Again, same as the junior version, just a larger quantity. Keep in mind that this applies to slightly different variants of the same type of weapon, so you don't need to pick up a Bow and then Dual-Blades or anything like that to unlock this achievement.
Courtyard Cleansing
Defeat the Mad Gardener in the Black Forest.
This is one of the bosses you can run into in the Black Forest. Defeat both of his phases to unlock this achievement.
Open The Gate
Successfully open the gate of the Black Castle.
To unlock this achievement, you will need to make it through one of the several paths that lead to Black Castle, where you should be able to watch a cutscene of yourself approaching the Castle Bridge.
Brother, Hold On
Defeat the Goblin Champion in the Black Forest.
This is another of the bosses you could face in the Black Forest. To unlock this achievement. This is one of the easier and most straightforward bosses in the game, so it shouldn't be too much trouble.
Honestly, the hardest thing will just be getting a run where he appears, since not every boss is present on every run.
Wrath of the Black Forest
Defeat the Forest Guardian in the Black Forest.
This is another boss that can appear in the Black Forest during a run. To unlock this achievement, you'll simply need to defeat him when he appears on your run.
Death Duel on the Bridge
Defeat the Wandering Knight at the Castle Bridge.
The Wandering Knight is the first somewhat difficult boss you'll face in Lost Castle 2. There will be two phases, one with the Knight on horseback and one where he faces you with a sword. You'll need to defeat both phases to unlock this achievement.
Senior Treasure Collector
Collect and record 100 different treasures during your adventure.
Same as the Junior and Intermediate achievements, just a larger quantity. This should unlock automatically as you play the game, as long as you're picking up all the treasure.
Senior Weapon Collector
Collect and record 100 different weapons during your adventure.
Same as the Junior and Intermediate achievements. Be sure to check every new weapon presented to you on a run and upgrade frequently, and you should unlock this achievement soon enough.
Demon Shadow
Defeat Steward the Demon Sealer in the Black Castle.
This is the final boss of Black Castle, at least during the first run when you make it here. After defeating Steward and the second phase with the Demon Lord, you'll unlock this achievement and promptly have your run automatically ended.
Amnesiac Girl
Nia arrives at the Treasure Hunter's camp.
When this happens will vary a bit depending on how far you made it on the run, but for the most part, as long as you make it into Black Castle, you'll probably get this brief scene when you die on your run. If not, you'll receive it after defeating Steward.
Dreadful Mutation
Defeat the Mutated Priest in the Ruined Cemetery.
This is one of the bosses that can appear during a run in the Ruined Cemetery. To unlock this achievement, you'll need to defeat him and progress beyond.
Party Adventure
Start an adventure in online multiplayer mode.
To unlock this, you'll simply need to play Lost Castle 2 with a friend using the multiplayer feature.
Duel
Defeat the Last Guardian in the Ruined Cemetery.
This is another boss that can appear in the Ruined Cemetery. All you need to do is defeat them and progress beyond them.
Behold My Iron Muscles
Defeat the Behemoth in the Crystal Mountain.
This is one of the bosses you can encounter in the Crystal Mountain area. You'll need to defeat them to unlock this achievement, and while this boss isn't necessarily difficult, this one can be a bit annoying since the boss doesn't actually move.
Calming The Rage
Defeat the Angry Thunder Spirit in the Crystal Mountain.
This is another boss you can run into in the Crystal Mountain area. Unlike the Behemoth, she is very mobile, and you will need to break the spirit's barrier by throwing ice to be able to significantly damage it.
Dragon's Lair
Defeat the Crystal Decourer in the Crystal Mountain.
This is the third boss you can encounter in the Crystal Mountain area. Surprisingly, this is one of the easiest of the Crystal Mountain bosses, but it can be the most uncommon to see.
Twin Fiends of the Ruined Village
Defeat "Alchemist" Eugene and "Mad Dog" Bobby in the Abandoned Cemetery.
This is sort of a two-stage boss fight, only you'll face both parts of this boss at the same time. The Alchemist won't move much, making him easier to target, but Mad Dog will chase you around the arena, so be careful.
It's highly recommended that you deal with the Alchemist first, and then Mad Dog. If not, then when Mad Dog is defeated, the Alchemist will run around like a crazy man, tossing potions behind him as he runs.
Archmage
Complete a successful adventure using Staff.
To unlock this achievement, you'll need to complete a run using a Staff as your weapon.
Agile Slayer
Complete a successful adventure using Dual-Blades.
To unlock this achievement, you'll need to complete a run using Dual-Blades as your weapon.
Ranger Hunter
Complete a successful adventure using Bow.
To unlock this achievement, you'll need to complete a run using a Bow as your weapon.
Heavy Sword Warrior
Complete a successful adventure using Two-handed Weapons.
To unlock this achievement, you'll need to complete a run using two-handed weapons.
Shadow Master
Complete a successful adventure using Phantom Lantern.
To unlock this achievement, you'll need to complete a run using Phantom Lanterns as your weapon.
Shield Hero
Complete a successful adventure using Single-handed weapon.
To unlock this achievement, you'll need to complete a run using a single-handed weapon.
Musketeer
Complete a successful adventure using Musket.
To unlock this achievement, you'll need to complete a run using a Musket as your weapon.
Grant Me Power
Collect your first Soul Inscription.
Soul Inscriptions will not become available until you unlock Ethereal Nightmare mode, which is unlocked after the first time you defeat Steward and the Demon Lord.
Steam Demolitionist
Complete a successful adventure using Turbo Lance.
To unlock this achievement, you'll need to complete a run using a Turbo Lance as your weapon.
Castle Bus
Complete a successful adventure on Normal difficulty.
This is essentially the first endgame achievement. It is unlocked after you return to camp from defeating Steward and the Demon Lord. That said, the run must have been on Normal difficulty, which is the default if you didn't intentionally change it.
Master of All Arts
Unlock 18 Soul Seals.
Soul Seals won't unlock until you have completed at least one run and unlocked Ethereal Nightmare mode.
Misty Swamp
First enter the Mudfish Swamp.
During one of your runs, you'll run into a fish creature that will permit you access to the Mudfish Swamp. You can then take this route during any run. This achievement will unlock the first time you take it.
Seek the Truth
Collect all memory fragments.
This will automatically unlock when you've collected all the memory fragments for Nia, after reaching Nightmare 3. You'll find them throughout runs, and they do not all need to be collected in the same run.
Novice
Complete a successful adventure on Nightmare difficulty 1.
Complete a run on at Depth 1 of Ethereal Nightmare mode.
Ice Maiden
First enter the Frozen Cave.
If you take the Mudfish Swamp or Saltpeter Desert route, you should be offered another branching path that leads you to the Frozen Cave. Take this route to unlock this achievement.
Top Treasure Collector
Collect and record 200 different treasures during your adventure.
Same as the lower-level versions. Just collect treasure as you play, and it will unlock soon enough.
Perfect Soulstone
Obtain a level 5 Soulstone.
You can make rarer Soulstones using the fusion mechanic. The better the Soulstones you put in, the better the results are.
Flames and Sand
First enter the Saltpeter Desert.
This is one of the branching paths you'll have the option to take, alongside the Mudfish Swamp. Take this route to unlock this achievement.
Toy Uprising
Defeat the Nightmare Made on the Black Castle Bridge.
This is one of the bosses you can run into on the Black Castle Bridge during Ethereal Nightmare mode.
This is a three-stage fight where you'll fight two toy bosses together that will then merge into the Nightmare Maid once their health bars are defeated.
Upcoming Talent
Complete a successful adventure on Nightmare difficulty 2.
Complete a run on at Depth 2 of Ethereal Nightmare mode.
Equal Exchange
Upgrade the Alchemist's Hut in the camp to the maximum level.
Use the upgrade station in camp to fully upgrade the Alchemist's Hut.
Party's Over
Defeat the Frenzy Fishiod Shaman in the Mudfish Swamp.
This is one of the bosses you can run into along the Mudfish Swamp route, once you've unlocked it.
Bushido Duel
Defeat the Phantom of the Lost Swordsman in the Frozen Cave.
This is one of the bosses you can run into along the Frozen Cave route, which is accessed via the Mudfish Swamp or Saltpeter Desert route.
Vigil Ends
Defeat the Frost Colossus in the Frozen Cave.
This is one of the bosses you can run into during the Frozen Cave route, which is an alternative path you'll need to wait until you unlock.
Friendly Neighborhood Spider
Defeat the Giant Hunterspider Queen in the Mudfish Swamp.
This is one of the bosses you can run into on the Mudfish Swamp route, which you'll need to wait until you unlock, as it's an alternative path.
To defeat this boss, I highly recommend using summons. It distracts the spider and makes things easier for you.
Exquisite Craftsmanship
Upgrade the Blacksmith in the camp to the maximum level.
Use the upgrade station at camp to fully upgrade the Blacksmith.
Caged Beast
First enter the Castle Dungeon.
Automatically unlocks when you enter the Castle Dungeon for the first time.
Everything Available
Equip 3 Alchemy Charms at the same time and complete a successful adventure.
To be able to equip three Alchemy Charms, you'll need to upgrade the Alchemist Hut at the camp's upgrade station.
Unrivaled Master
Complete a successful adventure on Nightmare difficulty 3.
Complete a run on at Depth 3 of Ethereal Nightmare mode.
Diet Control
Defeat the Treasure Anglerfish in the Saltpeter Desert.
This is one of the bosses you can encounter along the Saltpeter Desert route once you unlock it.
Boat on Dry Land
Defeat the “Captain” in the Saltpeter Desert.
This is one of the bosses you can encounter along the Saltpeter Desert route once you unlock it.
Top Weapon Collector
Collect and record 200 different weapons during your adventure.
This will automatically unlock once you've used at least 200 different weapons in Lost Castle 2.
Unity of Purpose
Upgrade the Expedition Camp to the maximum level at Armstrong's.
Fully upgrade your camp to unlock this achievement.
I Am Legend
Synthesize a legendary treasure in one successful adventure.
To unlock this, rather than picking up a Legendary-grade treasure, synthesize it. That said, you'll also need to successfully complete the run for it to count, so it's best to just do this every run until you unlock it.
Dungeon Phantom
Defeat A Mysterious Shadow in the Castle Dungeon.
One of the bosses you can encounter in the Castle Dungeon, once you have access to it.
Saw Madness
Defeat the Warden in the Castle Dungeon.
One of the bosses you can encounter in the Castle Dungeon, once you have access to it.
Constant Improvement
Perform Soulstone smelting for the first time at Nia's.
Once you have completed your first successful run of the game, you'll be able to access Soulstones and a number of other new features through Nia at camp. Use the Soulstone Smelting option for the first time to unlock this.
Peak Showdown
Enter the Mage Tower.
Unlocks after entering the hidden Mage Tower the first time, which is a hidden path along the Frozen Cave route.
Sweet Dreams
Defeat the Source of the Nightmare in the Mage Tower.
To face the Source of the Nightmare Boss, you'll need to complete both the base and post-game content, including all Nightmare mode-related tasks, so you can reach the Mage Tower, where you'll find this boss.
Weapon Master
Unlock 27 Soul Seals.
This is one of the hardest achievements to unlock in the game, and some players even believe it may be bugged. This involves unlocking all Soul Seals.
Mastermind
Defeat Lord Alfred in the Mage Tower.
Lord Alfred is the next boss you'll face after the Source of the Nightmare Boss and serves as a bit of a lead-in to the true ending of the game.
This boss will have two phases and will be one of the most difficult fights in the game, so don't forget your recruits.
Plagued Body
Carry 5 curses and complete a successful adventure.
In Ethereal Nightmare runs, you'll be able to pick up treasure with curses that you can purify. For this achievement, pick up at least five cursed items and complete the run with them still active.
War Soul Recast
Activate the full resonance of one Soul Seal.
To unlock this achievement, you'll need to fully activate the resonance of a single level of a weapon's Soul Seal.
Unknown Realm
First enter the hidden area of the Mage Tower.
This will automatically unlock once you reach the hidden area of the Mage Tower, which is only unlocked after collecting all the Memory Fragments after reaching Nightmare 3.
Super Treasure Collector
Collect and record 285 different treasures during your adventure.
Pretty straightforward, just continue to pick up treasure while completing runs, and this should unlock before you reach the true end of the game.
Blademaster
Complete a successful adventure using a Katana.
Complete a successful run using a Katana as your main weapon.
Dragon Bones Unite
Collect all 6 Fire Dragon Souls in one successful adventure. — That was a really long detour.
To unlock this achievement, you'll need to collect all 6 Fire Dragon Souls in one run in which you defeat the final boss.
You'll need to make an intentional effort to do this, as this is an item you'll purchase on runs, and the run will likely need to be centered around this build.
Supreme Being
Complete a successful adventure on Nightmare difficulty 4.
Complete a run on at Depth 4 of Ethereal Nightmare mode.
Brilliant Soulstone
Obtained a dual-affix Soulstone.
This can be achieved through high-level Soulstone Smelting.
Riverboard Swordsman
Recruit Kasumi as a companion and complete a successful adventure.
One of the many NPC recruits that can be added to your run. You will not be able to hire them if you already have a full party with friends via multiplayer.
Transcendent Saint
Complete a successful adventure on Nightmare difficulty 5.
Complete a run on at Depth 5 of Ethereal Nightmare mode.
Castle Biologist
Collect and record all monsters during your adventure.
You can see which monsters you're still missing by referring to your Adventure Log in the menu.
United Blades Against Chaos
Defeat The Deceitful Chaos God in the Mage Tower. — Forge a sharp edge with the will of many, and cut through falsehoods with an oath of unity.
This is the true final boss of the game and can only be reached once everything else in the game has been completed, including Ethereal Nightmare content.
This fight will consist of the Chaos God and two Deceitful Aspects that will join the battle. Get rid of them first, and then work on the actual Chaos God itself.
Once defeated, you'll receive the Chaos Heart and watch the true ending of Lost Castle 2.
Northern Pale Rider
Recruit Navarre as a companion and complete a successful adventure.
One of the many NPC recruits that can be added to your run. You will not be able to hire them if you already have a full party with friends via multiplayer.
Cold Mage
Recruit Raven as a companion and complete a successful adventure.
One of the many NPC recruits that can be added to your run. You will not be able to hire them if you already have a full party with friends via multiplayer.
Fiery Passion
Recruit Blazeley as a companion and complete a successful adventure.
One of the many NPC recruits that can be added to your run. You will not be able to hire them if you already have a full party with friends via multiplayer.
Forest Ranger
Recruit Seren as a companion and complete a successful adventure.
One of the many NPC recruits that can be added to your run. You will not be able to hire them if you already have a full party with friends via multiplayer.
Imperial Swordsman
Recruit Shadow as a companion and complete a successful adventure.
One of the many NPC recruits that can be added to your run. You will not be able to hire them if you already have a full party with friends via multiplayer.
Striving For Excellence
Perform Soulstone fusion for the first time at Nia's.
Once you have completed your first successful run of the game, you'll be able to access Soulstones and a number of other new features through Nia at camp. Use the Soulstone fusion option for the first time to unlock this.
High Cost-Effectiveness
Purchase all KO treasures from the goblin merchant in the camp.
To unlock this achievement, you simply need to purchase all "Knockoff" treasures from the merchant in your camp.
That said, he won't appear until you've sufficiently upgraded camp and made enough progress in runs.
Supreme Soulstone
Obtained a special Soulstone.
To unlock this, you'll need to perform Soul Smelting with Nia in camp on 10 Soulstones with level 5 affixes.
Consumerism
Purchase a total of 50 ornaments from the black market merchant in the camp.
Similar to the High Cost-Effectiveness achievement, you'll just need to purchase these items from the merchant in camp once they're available between your runs.
Soul Burst
Achieve your first great success during soulstone fusion.
The exact requirements for this achievement remain unclear, but performing fusions while Soulstone Smelting with higher-level Soulstones seems to be the best way to unlock this achievement.
Peak Warrior
Activate the resonance of all Soul Seals.
This is an end-game achievement in which you'll need to fully activate all Weapon Soul Seals at every level using the Soul Inscription feature.
This will take a substantial amount of grinding, so just be prepared for that. You may still not have this by the time you complete the true ending.
NextLost Castle 2: Ethereal Nightmare, Explained
If you think Normal Mode was too easy and you're ready to put your build to the test, try out Lost Castle 2's post-game hard mode, Ethereal Nightmare.
Posts By Kaitlyn Peterson
