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by ZeoKnight

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FAQ/Walkthrough by ZeoKnight

Version: 1.4 | Updated: 04/05/18

Table of Contents

  1. Intro
    1. Gameplay Info
  2. The Beginning
  3. In Depth - Base Classes
    1. Fencer
    2. Dragoon
    3. Pugilist
    4. Harbinger
    5. Warlock
    6. Necromancer
    7. Rover
    8. Masurao
    9. Shaman
    10. Botanist
    11. Racial Skills and Extra Notes
    12. Equipment Skills
    13. Recap of Buffs, Debuffs, Ailments and Binds Skills
  4. 1st Stratum
    1. 1F - Pursuing an Old Legend
    2. 2F - Around the Campfire
    3. 3F - What Lurks behind the Trees
    4. 4F - A Dance with Stone Statues
    5. 5F - The Guardian of the Woods
    6. 1st Stratum Boss and Epilogue
  5. 2nd Stratum
    1. 6F - Rising to New Heights
    2. 7F - Beware of Stampede
    3. 8F - A Beast Born to Fight
    4. 9F - Across the Mountain Pass
    5. 10F - The Master of the Skies
    6. 2nd Stratum Boss and Epilogue
  6. In Depth - Master Titles
    1. F - Phantom Duelist
    2. F - Chain Duelist
    3. D - Shield Bearer
    4. D - Cannon Bearer
    5. P - Barrage Brawler
    6. P - Impact Brawler
    7. H - Deathbringer
    8. H - Deathguard
    9. W - Omnimancer
    10. W - Elemancer
    11. N - Spirit Evoker
    12. N - Spirit Broker
    13. R - Flying Falcon
    14. R - Hunting Hound
    15. M - Blade Dancer
    16. M - Blade Master
    17. S - Divine Punisher
    18. S - Divine Herald
    19. B - Merciful Healer
    20. B - Graced Poisoner
    21. Equipment Skills II
    22. Recap of Buffs, Debuffs, Ailments and Binds Skills II
  7. 3rd Stratum
    1. 11F - Chasing the Dying Light
    2. 12F - Over a Toxic Graveyard
    3. 13F - Where Wraiths Wander
    4. 14F - An Executioner's Axe
    5. 15F - The Lord of the Undying
    6. 3rd Stratum Boss and Epilogue
  8. 4th Stratum
    1. 16F - Discovering the Next Level
    2. 17F - Pillars on the Pathway
    3. 16F - Discovering the Next Level (hidden area)
    4. 1F - Pursuing an Old Legend (hidden area)
    5. 3F & 4F Tutelary Forest (hidden area)
    6. 7F - 9F Jagged Reach (hidden area)
    7. 15F - The Lord of the Undying (hidden area)
    8. 18F - Lost in the Crystal Caves
    9. 19F - A Mysterious Stranger
    10. 20F - The Creature in the Cavern
    11. 4th Stratum Boss and Epilogue
  9. 5th Stratum
    1. 21F - Back to the Beginning
    2. 22F - Echoes of Calamity
    3. 23F - Hindered by Gravity
    4. 21F & 22F Untamed Garden (hidden area)
    5. 24F - Through a Needle's Eye
    6. 25F - The Genesis of Darkness
    7. 5th Stratum Boss and Epilogue
  10. 6th Stratum
    1. 26F - Taking a Step Beyond
    2. 2nd Stratum Superboss
    3. 27F - Paths Lit by Heaven
    4. 1st Stratum Superboss
    5. 28F - Propechies in the Void
    6. 3rd Stratum Superboss
    7. 29F - Past the Edge of Despair
    8. 4th Stratum Superboss
    9. 30F - The Dawn of a New Myth
    10. 6th Stratum Boss and Epilogue
    11. Special Strategy: 99999 damage
  11. Full Maps
    1. 1st Stratum - Tutelary Forest
    2. 2nd Stratum - Jagged Reach
    3. 3rd Stratum - Fetid Necropolis
    4. 4th Stratum - Lucent Hollows
    5. 5th Stratum - Untamed Garden
    6. 6th Stratum - Empyreal Bridge
  12. Iorys Marketplace
    1. SHOP - 1st Stratum
    2. SHOP - 2nd Stratum
    3. SHOP - 3rd Stratum
    4. SHOP - 4th Stratum
    5. SHOP - 5th Stratum
    6. SHOP - 6th Stratum
  13. Book
    1. Quests
    2. Missions
    3. Monstrous Codex
    4. Item Compendium
  14. Unlockables
  15. Downloadable Content
  16. Closing

6th Stratum

6th Stratum Boss and Epilogue

Before fighting the boss, if you always play on Basic difficulty until this point, now you have to switch to Advanced difficulty. The final achievement in the Guild Card can only be obtained if you defeat the boss on Advanced.

Star Devourer

Star Devourer
EXPLootSkills
AdvancedBasic
~2.1 million~2.5 millionWorldeater CoreRegeneration (innate),
Full Burst (innate)
WeaknessAll physicals, All elements
ResistStun, Petrification, Sleep, Paralysis, All binds
ImmuneInstant Death, Panic
Sound Cannon
EXPLootSkills
AdvancedBasic
00-Eerie Siren (head),
Relief Echo (head),
Clear Noise (head)
WeaknessStun, Paralysis
ResistSleep, Poison, Blind, Arm Bind, Leg Bind
ImmunePetrification, Panic
Energy Tube
EXPLootSkills
AdvancedBasic
00-Energy Refill (head),
Tonic Injection (head),
Cure Injection (head)
WeaknessStun, Paralysis
ResistSleep, Poison, Blind, Arm Bind, Leg Bind
ImmunePetrification, Panic
Agile Sword
EXPLootSkills
AdvancedBasic
00-Parry (arms),
Swipe (arms),
Sonic Thrust (arms)
WeaknessAll elements, Stun, Curse
ResistAll physicals, Instant Death, Sleep, Paralysis, Poison, Head Bind, Leg Bind
ImmunePetrification, Panic
Towering Sword
EXPLootSkills
AdvancedBasic
00-Storm Edge (arms),
Slam (arms),
Blade Break (arms)
WeaknessAll elements, Stun, Curse
ResistAll physicals, Instant Death, Sleep, Paralysis, Poison, Head Bind, Leg Bind
ImmunePetrification, Panic
Bomb Chamber
EXPLootSkills
AdvancedBasic
00-Explosive Shot (legs),
Volt Shot (legs),
Elemental Decoy (legs)
WeaknessAll physicals, Stun, Poison
ResistAll elements, Instant Death, Curse, Paralysis, Blind, Head Bind, Arm Bind
ImmunePetrification, Panic
Rocket Engine
EXPLootSkills
AdvancedBasic
00-Sonic Mirage (legs),
Exhaust (legs),
Heat Field (legs)
WeaknessAll physicals, Stun, Poison
ResistAll elements, Instant Death, Curse, Paralysis, Blind, Head Bind, Arm Bind
ImmunePetrification, Panic

You are facing the hardest boss in this game and without getting any help from any guest party member. All the best equipment should be unlocked at this point, so you may need to grind your party levels a little bit and also upgrade their equipment as high as possible. Also bring the best healing items you have (Medica IV, Soma Prime, Hamao Prime, Amrita II, Nectar II), buff items like Bravant, dispel items like Laudanum, and a few Gas items to inflict ailments. Nothing to lose here.

Star Devourer enters the battle with all parts are summoned. It performs Full Burst on its first turn, killing the entire party members if unprepared. Afterward, it'll regenerate its body parts one by one. The order of the regenerated body parts are Agile Sword, Sound Cannon, Rocket Engine, Towering Sword, Energy Tube, Bomb Chamber. Each part can act individually and has its own set of moves. Sound Cannon can inflict debuffs and dispel your buffs, Energy Tube can heal and cast buffs, Agile Sword can temporary nullify physical damage and also perform physical attacks, Towering Sword can perform wide-party physical attacks, Bomb Chamber can temporary nullify elemental damage and also perform elemental attacks, and Rocket Engine can remove all ailments and debuffs, give buffs, and perform wide-party elemental attacks. When all parts are summoned and don't suffer from any ailments or binds, the boss will perform Full Burst again which repeats the cycle. If the boss takes significant amount of damage, it'll regenerate additional part outside of its turn. While on low health, the boss doesn't follow the order anymore and will regenerate random body parts instead.

There are 2 ways to fight this boss. First, you can use Aegis Shield Union Skill to nullify Full Burst's damage, then you can defeat each summoned body parts while also dealing the damage to the boss. This strategy will leave your party members without Union Skill for a while, but you can deal with each part one by one. Second, you can try your chance to inflict ailments or binds on your first turn. Full Burst has somewhat low speed modifier, so your party members are likely to act first before the boss activates it. Try to inflict ailments or binds, either by skills or items, and Full Burst will fail. However, you'll fight against all parts on your next turn. This boss and all of its body parts also have quite high resistance to ailments and binds, so you may need a few retries until it succeeds.

I don't think there are parts that have higher priority to be destroyed because it depends on the situation. Agile Sword's Parry may be one of the annoying thing here as it negates your turn and gives free turn to regenerate another body part. Sound Cannon can dispel your buff, mitigating your damage output, and Energy Tube can heal the boss for about 9k health. However, if you focus on these parts, you'll be wiped out by wide-party attacks from the other parts. Basically, just defeat every part with the lowest HP as fast as possible, and land ailments or binds in order to temporarily hinder their assault. Star Devourer doesn't have any attack move, so it'll be helpless if you can lock down all of its body parts.

Defeating this boss nets around 2.1 million EXP (Advanced) / 2.5 million EXP (Basic) and Worldeater Core, and, if you manage to defeat it on Advanced difficulty, you'll unlock Star Devourer Slain achievement in the Guild Card.


Enjoy the credits once again (skip if you want) and then save the game to mark it as completed. There is still a little bit left to be done in the game.

Interlude

Load your cleared game save, head into Council Hall, and then register the boss and its loot. If you've registered all monsters, you'll get 3 Formaldehydes as reward, and if you have registered all items, you'll get 3 Gold Ingots as reward, and, by clearing all maps, monsters, and items, you'll get Crown of Arcania as reward. Watch the credits (or skip it) again, and then save the cleared game one more time.

This is my Guild Card stats at this point.

Lv 85
Zeo Guild
Advanced
073:59:05
MAX LEVEL85WALKED28698
MONSTROUS CODEX100.00%TOTAL en3224955
ITEM COMPENDIUM100.00%FORGED160
VENTURED DAYS50UNIONS1380
ENEMIES HUNTED2280FOOD EATEN204
Jagged ReachProof of reaching the Jagged Reach.
Fetid NecropolisProof of reaching the Fetid Necropolis.
Lucent HollowsProof of reaching the Lucent Hollows.
Untamed GardenProof of reaching the Untamed Garden.
Empyreal BridgeProof of reaching the Empyreal Bridge.
Star Devourer SlainProof of slaying the monster at the apex of Yggdrasil.
Cache HoarderProof you have looted every treasure box in the labyrinth.
Quest CompleteGiven to you for accomplishing all of the quests from the bar.
Yggdrasil's HunterLogged all of the monsters that dwell in the labyrinth.
Yggdrasil's ScavengerAwarded for logging all of the materials found in the labyrinth.
Yggdrasil's ArtisanProof that you have drawn all of the labyrinth maps.