A guide with an overview and roadmap to get all Achievements in AI Limit.
- Approximate amount of time for completion: 15+ Hours
- Total achievements: 39
- Missable achievements: 12
- Glitched achievements: none
- Minimum Playthroughs: 3 or 1 with Backup saves

Story related, cannot be missed. Unlocks after linking with the first Branch and speaking with Asteria.

Story related, cannot be missed. Defeat Lore, the Lost Lancer boss. Located at the end of the Sewer – Southwest at the Large Reservoir Branch.

Use Purified Soil at the Branch for the first time. Obtained by talking with Delpha at Temporary Camp in Outer-Wall Ruins. This will increase the number of Life Dew charges.

Story related, cannot be missed. Defeat Necro, the Panic Reaper boss located at the end of the Outer-Wall Ruins – Slums at the Cemetery Branch.

Story related, cannot be missed. Defeat Cleansing Knight boss located at the end of Sunken City Overground – Flooded Street at the Aetherium Mansion Branch.

Story related, cannot be missed. Defeat Choirmaster, the Inspector boss located at the end of Hagios Patir – Lower Level at the Hunting Ground Branch.

Story related, cannot be missed. Defeat Hunter of Bladers boss located at the end of Sewer Town – North at the Hunting Ground Branch.

Story related, cannot be missed. Defeat Persephone, the Stygian Queen of Woe boss located at the end of Twilight Hill – Spirit Depths at the Depths Bottom Branch.

Hidden Boss – Defeat Necro, the Wanderer of Undersea boss located at the Sunken City Undeground – Underground Parish at the Parish Station Branch.

Story related, cannot be missed. Defeat Eunomia, the Resplendent Bishops boss located at the end of Sunken City Underground – Underground Parish at the Trial Hall Branch.

Hidden Boss – Defeat Guardians of the Tree boss located at Sewer Town – Center at the Gate of the Tree Branch.

Hidden Boss – Defeat Ursula, the Mutated boss located at Outer-Wall Ruins – Ancient Machine Works at the Research Center Branch.

Story related, cannot be missed. Defeat Loskid, the Blade of Judgement boss located at the end of Hagios Patir – Upper Level at the Welkin Branch.

Story related, cannot be missed. Defeat Aether, the Father boss located at the end of The Sphere – Elysium at the Gate of the Sphere Branch. This is the normal final boss of the game.

Missable Defeat Charon, the Nurture boss. Hidden final boss, when choosing the path for the Second Dawn Ending. Will get fought after Aether, the Father. Refer to the Second Dawn Achievement.

Obtain all 4 Spell Frame abilities. 2 out of 4 are obtain through defeating story bosses. The other 2 can be found in the first area of the game.
Counter Field: Found at Sewer Town – Southwest at the Maintenance Access Branch.
Interact with the Memory in the room immediately after Branch.
Shield: Found at the Sewer Town – Southwest at the Maintenance Access Branch.
Picked up from a body directly on the path before the Lost Blader miniboss.
Piercing Claw: Obtained automatically after defeating the Necro, the Panic Reaper main story boss.
Thunder Step: Obtained automatically after defeating the Choirmaster, the Inspector main story boss.

Missable – Increase the branches to level 10. This can be done by giving Delpha Soil Samples to get Purified Soil item that you can use to level up.

Enhance any Main Seal to the max level of 5. You will need Tiny Resonance, Contemporary Resonance and Hereditary Resonance. Normally found through your playthrough. Hereditary Resonance is limited per playthrough, automatically obtained through defeating the Seraphim Absolver main story boss.

Enhance any weapon to the max level of 10. Uses Luminous Carbon, Luminous Diamond, Luminous Silica and Iridescence. Found normally through your playthrough. Iridescence is automatically obtained through defeating the Seraphim Absolver main story boss.

Obtain all 7 Main Seals and “enough” Normal seals. 3 Main Seals can be missed if you ignore all NPCs during your playthrough.

Missable – Obtain all 18 Spells. Spells are obtained by picking them up, defeating enemoies or bosses and trading Adaptive Fragments or some boss Nuclei to Millaire. Need to play through it a second time since there are two sets of spells traded for using the Nuclei from story bosses.

Missable – Obtain all 32 weapons. Obtained through picking them up, purchased, defeating enemies or bosses and trading some boss Nuclei to Assis. Need to play throuhg a second time because of two weapons traded for using the same Nucleus.

Obtained through repairing all Branches in the game. List down below:
Sewer Town:
– Southwest:
- Sewer Confluence
- Maintenance Access
- Large Reservoir
- Before Upward Elevator
– North:
- Sewer Bypass
- Sedimentation Tank
- Hunting Ground
- Underground Rift
– Center:
- Central Station
- Underground Shaft
- Hidden Platform
- Gate of the Tree
– Courtyard of the Tree:
- Central Garden
Outer-Wall Ruins
– Slums:
- Path of Pilgrimage
- Temporary Campsite
- Abandoned Houses
- Cemetery
- Entryway
– Ancient Machine Works:
- Factory Bypass
- Assembly Hall
- Shirley’s Room
- Research Center
- Underground Lab
Sunken City Overground
– Rooftop Street:
- Top Apron
- Fisherman’s Camp
- Lounge
- Boundary Bridge
- Hotel Corridor
- Viewing Balcony
– Flooded Street:
- Survivors’ Stronghold
- High Street
- Eastern Square
- Aetherium Mansion
- Downward Elevator
Sunken City Underground
– Underground Parish:
- Mansion Ground Floor
- Parish Avenue
- Mural Terrace
- Parish Station
- Living Pond
- Trial Hall
- Bishop’s Passage
Hagios Patir
– Lower Level:
- Cleansing Stairs
– Upper Level:
- Mud-Drawing Room
- Faultage Corridor
- Uncharted Realm
- Evolving Palace
- Path of Epitome
- Welkin
- The Altar
Twilight Hill
– Spirit Depths:
- Dormant Array
- Watch Tower
- Depths’ Bottom
- Collapsed Cavern
– Withered Forest:
- Forest Entrance
- Deadwoods
- Twilight Foothills
- Hunters’ Trestle
- Arboretum
The Sphere
– Elysium:
- Celestial Tree Garden
- Gate of the Sphere

Find all 11 Firebearer’s Codex pages that can be found in the Hagios Patir area.

Assis is the robot who functions as the vendor for Nuclei trading. You will have to pickup the Observation Report item which is located in Outer-Wall Ruins – Factory Bypass at the Research Center Branch, right before the Ursula, the Mutated hidden boss. Talk to Assis after picking it up.

Obtained through defeating the Eunomia, the Resplendent Bishop main story boss with the help of Feylia. Talk with her at all prior locations before fighting the boss.

Obtained through delivering 3 document Key Items to the merchant that can be found at Sunken City Overground – Rooftop Street at the Top Apron Branch.

Hidden Area Functions as a good portion of Millaire’s quest.

6 unique minibosses found throughout the game. After defeating them you will collect their weapon.

Missable – Obtained after fighting Vikas, involves speaking with him at 7 locations and interacting 3 times with the NPC Sklarm.

Missable – Obtained by completing Stone’s questline.

Missable – Obtained by completing the normal ending of Shirley’s questline, which involves speaking with her in 8 locations and giving her an quest item.

Missable Required for the Second Dawn true ending. Obtained after completing all steps of Shirley’s questline and talking with Delpha after you finished his. He will give you an item which you will need to give Shirley.

Story related, cannot be missed. Speak with Loskid after defeating her near the end of the game. When obtaining the Golden Branch it will let all quest NPC’s disappear and all not finished quests fail.

Missable – Awarded for completing Delpha’s questline.

Missable – The true Ending of the game. Requires the full questline of Shirley and then beating the secret final boss for the ending.

Missable Good ending of the game. You will have to finish Delpha’s quest to obtain the Azure Branch and defeating the hidden boss Ursula, the Mutated.

Unlocked though receiving the normal or bad ending. You will receive this if you don’t complete any optional objectives and just proceed to the final boss after defeating Loskid, the Blade of Judgement.

Earn all trophies in AI Limit.