Imaginarium Theater/Seasons/2026-08-01

Season 26 of Imaginarium Theater was during Version "Luna VIII" and lasted from August 01, 2026 to September 01, 2026.

Season Details

Opening Characters

Yelan

Aino

Flins

Ororon

Skirk

Layla

Fantastical Blessing

After the above characters join your party, Max HP, ATK, and DEF are increased by 20%.

Alternate Cast Elements

Hydro
Electro
Cryo

Special Guest Stars

Arlecchino

Chevreuse

Kazuha

Tighnari

Primary Antagonists

Lv. 90 Knuckle Duckle

Lv. 92 Battle-Hardened Elite Treasure Hoarder

Lv. 95 Battle-Hardened Precursor's Secret Source Matrix of Overseer Network

Lv. 100 Perpetual Mechanical Array

Battles

Act 1

Battle: Normal

Stage Effects:
- Treacherous Thunder: A period of time after the challenge begins, thunder will descend and strike your characters.

Opposing Lineup 1
Enemy Level	Easy Mode: 75 Normal Mode: 80 Hard/Visionary Mode: 85
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 80s
Enemies	Wave 1: 1 Ruin Grader Wave 2: 1 Ruin Drake: Earthguard
Opposing Lineup 2
Enemy Level	Easy Mode: 75 Normal Mode: 80 Hard/Visionary Mode: 85
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 85s
Advantages	Electro-Charged reactions have an advantage Lunar reactions have an advantage Moonsign Levels have an advantage
Enemies	Wave 1: 3 Wilderness Exile Wave 2: 1 Cutting Edge All-Purpose Scout Landcruiser

Battle: Elite Assault

Stage Effects:
- Treacherous Thunder: A period of time after the challenge begins, thunder will descend and strike your characters.
- Enemy En Garde: Opponents within a certain radius of opponents affected by this buff have their ATK increased by 50% and their All Elemental and Physical RES increased by 30%.

Opposing Lineup 1
Enemy Level	Easy Mode: 75 Normal Mode: 80 Hard/Visionary Mode: 85
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 85s
Advantages	Focus fire on a single enemy Pneuma-aligned attacks have an advantage
Enemies	Wave 1: 1 Ruin Grader 3 Ruin Destroyer Wave 2: 1 Construction Specialist Mek - Ousia 2 Assault Specialist Mek - Ousia

Act 2

Battle: Normal

Stage Effects:
- Treacherous Thunder: A period of time after the challenge begins, thunder will descend and strike your characters.

Opposing Lineup 1
Enemy Level	Easy Mode: 75 Normal Mode: 80 Hard/Visionary Mode: 85
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 80s
Advantages	Characters who heal have an advantage
Enemies	Wave 1: 1 Tainted Water-Spouting Phantasm Wave 2: 1 Tainted Water-Splitting Phantasm Wave 3: 1 Tainted Water-Spouting Phantasm
Opposing Lineup 2
Enemy Level	Easy Mode: 75 Normal Mode: 80 Hard/Visionary Mode: 85
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 80s
Advantages	Characters who heal have an advantage
Enemies	Wave 1: 1 Fatui Skirmisher - Electrohammer Vanguard 1 Fatui Skirmisher - Pyroslinger Bracer 1 Fatui Skirmisher - Anemoboxer Vanguard Wave 2: 1 Wind Operative

Battle: Elite Assault

Stage Effects:
- Treacherous Thunder: A period of time after the challenge begins, thunder will descend and strike your characters.
- Performance Restricted Zone: Danger zones that constantly move will appear when the challenge begins. When a character is in these dangerous areas, you will take True DMG from the Prohibition for every 2s you stay within a danger zone.

Opposing Lineup 1
Enemy Level	Easy Mode: 75 Normal Mode: 80 Hard/Visionary Mode: 85
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 80s
Advantages	Hydro characters have an advantage Shields have an advantage
Enemies	Wave 1: 3 Qucusaurus Wave 2: 1 Burning-Aflame Wayob Manifestation

Act 3

A duck-shaped combat machine built from scrap metal and powered by kuuvahki. It is programmed with a variety of strategies.
After the battle begins, it will enter Duckstruction Mode, becoming more aggressive, generating a Ward for itself, and summoning floating Stamping Devices to harass you.
When this happens, you must first deal with the Stamping Devices. Deal DMG with Electro-Charged or Lunar-Charged reactions, or destroy them directly, to fry their circuits and cause them to attack Knuckle Duckle's Ward instead...

Knuckle Duckle

Battle: Climactic Showdown

Opposing Lineup 1
Enemy Level	Easy Mode: 80 Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Defeat the Villain(s) within the time limit (120s) "Star Challenge" Defeat all opponents within 80s
Advantages	Electro-Charged reactions have an advantage Lunar-Charged reactions have an advantage Electro characters have an advantage
Enemies	1 Knuckle Duckle

Arcana Challenge I

Keep fighting until the countdown ends. End the stage with at least one character left standing to successfully complete the challenge. Each opponent you defeat will take time off the countdown.
Once the challenge begins, all party members will continuously lose small amounts of HP.

Keep Fighting

Stage Effects:
- Concealed Corruption: Once the challenge begins, all party members will continuously lose small amounts of HP

Opposing Lineup 1
Enemy Level	100
Performance Goals	Arcana Challenge Keep fighting until the countdown ends (360s) "Star Challenge" Defeat 18 opponents
Advantages	Characters who heal have an advantage
Enemies	- Shadowy Husk: Standard Bearer - Shadowy Husk: Line Breaker - Shadowy Husk: Defender

Act 4

Battle: Defense Sequence

Opposing Lineup 1
Enemy Level	Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Prevent the Ley Line Monolith's destruction. Defeat opponents to deplete the timer (160s) "Star Challenge" Ley Line Monolith's remaining HP not less than 35%
Advantages	Rapid movement has an advantage
Enemies	- Ruin Scout - Ruin Destroyer - Ruin Defender - Ruin Cruiser
Opposing Lineup 2
Enemy Level	Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Prevent the Ley Line Monolith's destruction. Defeat opponents to deplete the timer (200s) "Star Challenge" Ley Line Monolith's remaining HP not less than 35%
Advantages	Hydro characters have an advantage
Enemies	- Fluid Avatar of Lava - Large Pyro Slime

Battle: High-Pressure Defense

Opposing Lineup 1
Enemy Level	Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Prevent the Ley Line Monolith's destruction. Defeat opponents to deplete the timer (200s) "Star Challenge" Ley Line Monolith's remaining HP not less than 35%
Advantages	Powerful foes present
Enemies	- Ruin Guard - Ruin Grader - Ruin Scout - Ruin Destroyer - Ruin Defender - Ruin Cruiser

Act 5

Battle: Normal

Opposing Lineup 1
Enemy Level	Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Defeat as many opponents as possible (at least 20) within the time limit (120s) "Star Challenge" Defeat 24 opponents
Advantages	Cryo characters have an advantage
Enemies	- Hydro Mimic Boar - Hydro Mimic Crane - Hydro Mimic Squirrel - Hydro Mimic Mallard - Hydro Mimic Finch - Hydro Mimic Crab - Hydro Mimic Frog
Opposing Lineup 2
Enemy Level	Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Defeat as many opponents as possible (at least 15) within the time limit (120s) "Star Challenge" Defeat 18 opponents
Enemies	- Nobushi: Jintouban - Nobushi: Hitsukeban - Nobushi: Kikouban

Battle: Elite Assault

Stage Effects:
- Desolation: A Dendro Cluster will chase characters around once the challenge begins. When the Cluster touches a character or opponents, it will deal immense Dendro DMG to them. If it touches a character, it will disappear. The size and DMG dealt by these clusters will gradually bleed away and grow smaller, but its speed will also gradually increase.

Opposing Lineup 1
Enemy Level	Normal Mode: 85 Hard/Visionary Mode: 90
Performance Goals	Defeat as many opponents as possible (at least 12) within the time limit (120s) "Star Challenge" Defeat 15 opponents
Advantages	Environmental hazards present
Enemies	- Kairagi: Fiery Might - Kairagi: Dancing Thunder - Nobushi: Hitsukeban - Nobushi: Kikouban

Act 6

In battle, the Nemesis will summon battle armor from three directions. This armor can enhance the Nemesis. Trigger Frozen on the Nemesis, or use Overloaded on her, to break her battle armor and prevent the armor from attaching to her. The Nemesis is enhanced according to the number of armor pieces attached, and should no armor attach, no enhancement effects will be granted. Additionally, if the battle armor attaches to the Nemesis and she is in Frozen state, the armor will automatically apply a Shatter reaction, dealing a large amount of DMG as the frozen armor breaks and falls to the ground. Battle armor that has fallen to the ground will increase the ATK of all characters within a certain range.

Battle-Hardened Elite Treasure Hoarder

Opposing Lineup 1
Enemy Level	Normal Mode: 90 Hard/Visionary Mode: 92
Performance Goals	Defeat powerful opponent(s) within the time limit (120s) "Star Challenge" Defeat all opponents within 70s
Advantages	Frozen reactions have an advantage
Enemies	1 Battle-Hardened Elite Treasure Hoarder

Arcana Challenge II

Keep fighting until the countdown ends. End the stage with at least one character left standing to successfully complete the challenge. Each opponent you defeat will take time off the countdown.
Once the challenge begins, Electro Bursts will periodically be set off, dealing Electro DMG to your active character.

Keep Fighting

Stage Effects:
- Electro Discharge: Once the challenge begins, Electro Bursts will periodically be set off, dealing Electro DMG to your active character(s)

Opposing Lineup 1
Enemy Level	100
Performance Goals	Arcana Challenge Keep fighting until the countdown ends (360s) "Star Challenge" Defeat 18 opponents
Advantages	Shields have an advantage
Enemies	- Eremite Stone Enchanter - Eremite Desert Clearwater - Eremite Scorching Loremaster - Eremite Daythunder

Act 7

Battle: Normal

Stage Effects:
- Survival Pressure: A period of time after the challenge begins, all party members will continuously lose small amounts of HP.

Opposing Lineup 1
Enemy Level	92
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 65s
Advantages	Ousia-aligned attacks have an advantage
Enemies	Wave 1: 1 Annihilation Specialist Mek - Pneuma Wave 2: 1 Construction Specialist Mek - Pneuma 1 Suppression Specialist Mek - Pneuma
Opposing Lineup 2
Enemy Level	92
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 80s
Advantages	Cryo characters have an advantage Elemental effects advantage
Enemies	Wave 1: 1 Precursor's Secret Source Matrix of Overseer Network Wave 2: 1 Precursor's Secret Source Matrix of Overseer Network

Battle: Elite Assault

Stage Effects:
- Survival Pressure: A period of time after the challenge begins, all party members will continuously lose small amounts of HP.
- Enemy Stunt Double: The HP Percentage of all opponents affected by this will change at intervals: After changing, all their HP% values will be the same as the HP% of the affected opponent with the highest current HP%.

Opposing Lineup 1
Enemy Level	92
Performance Goals	Defeat all opponents "Star Challenge" Defeat all opponents within 80s
Enemies	Wave 1: 1 Qucusaurus Warrior: Blazing Sky 1 Qucusaurus Warrior: Heartstar Hammer Wave 2: 1 Iktomisaurus Warrior: Icy Tidebearer 1 Iktomisaurus Warrior: Cryocrystal Cannon Wave 3: 1 Tepetlisaurus Warrior: Shard Striker 1 Tepetlisaurus Warrior: Rockbreaker Blade

Act 8

During combat, the Nemesis will deploy a Suppression Field to strengthen itself and place 4 detection devices protected by Hydro Wards. After the field is active for a while, the Nemesis will unleash a single wide AoE attack and retrieve the remaining detection devices. It will then gain a Hydro Ward whose absorption is based on the number of devices retrieved. Detection devices will be destroyed when their Hydro Ward is broken or if they are Frozen and then affected by Shatter, Melt, or other Elemental Reaction DMG. After all detection devices are destroyed, the Suppression Field will also be destroyed, and the Nemesis will be paralyzed temporarily.

Battle-Hardened Precursor's Secret Source Matrix of Overseer Network

Battle: Climactic Showdown

Opposing Lineup 1
Enemy Level	95
Performance Goals	Defeat the Villain(s) within the time limit (105s) "Star Challenge" Defeat all opponents within 70s
Advantages	Cryo characters have an advantage Elemental effects advantage
Enemies	1 Battle-Hardened Precursor's Secret Source Matrix of Overseer Network

Act 9

Battle: Normal

Opposing Lineup 1
Enemy Level	95
Performance Goals	Defeat a specific number of Bounties (6) within the time limit (120s) "Star Challenge" Complete the main challenge objective within 80s
Advantages	Elemental effects advantage
Enemies	- Hydro Abyss Mage - Large Hydro Slime
Opposing Lineup 2
Enemy Level	95
Performance Goals	Defeat a specific number of Bounties (6) within the time limit (120s) "Star Challenge" Complete the main challenge objective within 80s
Advantages	Elemental effects advantage
Enemies	- Electro Abyss Mage - Large Electro Slime - Mutant Electro Slime

Battle: Elite Assault

Stage Effects:
- Thrilling Duel: When the active character is within the Duel Zone of an elite opponent, that character's DMG will be increased by 40%. When they are outside a Duel Zone, they will take DMG every 2s.

Opposing Lineup 1
Enemy Level	95
Performance Goals	Defeat a specific number of Bounties (3) within the time limit (120s) "Star Challenge" Complete the main challenge objective within 80s
Advantages	Bows have an advantage
Enemies	- Ruin Drake: Earthguard - Ruin Drake: Skywatch - Ruin Scout - Ruin Destroyer - Ruin Defender - Ruin Cruiser

Act 10

A mysterious ruin machine that can reconfigure itself into various forms. In battle, the Perpetual Mechanical Array will enter the Absolute Defense state, in which it splits and summons several different kinds of Ruin Sentinels. After defeating the enhanced Ruin Sentinels, Absolute Defense state will be removed and it will enter a weakened state.

Perpetual Mechanical Array

Battle: Climactic Showdown

Opposing Lineup 1
Enemy Level	100
Performance Goals	Defeat the Villain(s) within the time limit (120s) "Star Challenge" Defeat all opponents within 80s
Advantages	Focus fire on a single enemy
Enemies	1 Perpetual Mechanical Array