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Aidan Flamberge is the main antagonist in Lunar Shadow, having first appeared in version 4a. Before he is revealed, he is referred to as "Castle Master".


Aidan has spiky, silver hair, dark grey eyes and fair skin and attire consists of a green coat over a red shirt and trousers, and blue shoes. He is referred to as "The Eternal Darkness" by some of the tablets within the castle and by his sister Alexis (who isn't too fond of the name). However this is just a disguise and his true appearance is never seen.

His battle machine, the Death Orb MK:II is a giant purple orb with a well pronounced face and two eyeholes which are the cockpit for Aidan and Tranquillity. They're both seen piloting it though they aren't visible in the machine's first or final phase.


Aidan Flamberge is a sociopathic individual with a misanthropic streak. As shown throughout Lunar Shadow, he's willing to subjugate others into following his plans (e.g Ignis du Blaze, Shinica Horton, Alexis Flamberge) and has no qualms about having other people turned into monsters (e.g Ladislaw Smit and Xydia Horton) and forced to serve his agenda.

He's also a foul mouthed type who forces other people to call him "The Eternal Darkness" (though Alexis doesn't take it too seriously) and is skilled in chemical warfare (having started a war in Jarodimia) and mechanics. However it's unknown if he created the various machines in the Lunar Soul Castle , if he stole them or forced someone to create them for him.


Prior to Lunar Shadow ZER0

At some point, he met Mi'aro Genryutsukei and the two formed an allience. Mi'aro gave him Life Capsules which began Aidan's descent into evil. Aidan Flamberge later instigated a chemical war on Jarodimia which left the planet in a state of chaos.

Lunar Shadow ZER0

He decreed that Newerth's end will come in exactly two years, and left, his minion Ciel Sorcière having kidnapped various people from Yes Town and the rest of Tirahnys.

When Evan O'Neill meets him in the Lunar Soul Castle that same day, Aidan battled against him and killed him.

Lunar Shadow

Aidan is first heard in the Servant Quarters, where his sister, Alexis Flamberge, is battled for the first time.

After the defeat of Ataraxis, Serenity marches on to the final battle in the Top Floor Throne Room. She can choose not to avoid conversation with Aidan (which is useful for skipping his long dialogue) and will then fight him.

Aidan can teleport and either fire several energy orbs from the sky or two cris-scrossing emerald fireballs. Once he goes down, he'll get into his battle machine: Death Orb MK:II which is piloted by his fiancée Tranquility and himself. The machine will try to crush Serenity and releases shockwaves upon hitting the ground; hitting in the eye is key to victory. Once it goes down the first time, it come back with platforms surrounding it and spikes jutting from the floor.

Angel enemies will also appear to fight the player as well. When it's defeated again, it'll return for it's final round. It will move around the arena with several smaller eyeballs surrounding it. Once that's defeated, Serenity will have ended the Castle Master's threat only for an escape sequence to occur.

Solar Shadow

Aidan Flamberge only makes a minor appearance here. He's seen in the Diabolical Ending as a shadowy figure and commends Selena for her loyalty before allowing the latter to become Shadow Selena.

Image Gallery


  • Aidan uses the Doctor's A.I whereas the Death Orb MK:II uses the A.I of Ballos (Phase 2), Ballos (Phase 4) and Ballos (Phase 3) respectively.
  • Despite being a driving force in both Lunar Shadow mods, he's currently only fought in Lunar Shadow (and not its prequel).
  • Both he and Grialdyn use emerald colour projectiles during their battles, furthering Grialdyn's ties to the Castle Master.
  • His sprites were reused from Vion Ierra and were in that mod used for Mermahdé (an initally helpful character who later turns out to be working for Iion Vierra's True Final Boss. It was confirmed by Cibryll on 15/01/21 that Aidan was disguised as him.)
  • He is based off The Eternal Darkness (a member who impersonated Shane and created a mod known as Shane's Cave Story) and Aidan Von Ventus, a member of Vresun. The former has long been speculated to be Shane's alternate account (For example T.E.D's original name, Ashen is an anagram of Shane) though on August 1st 2020 it was confirmed that both he and Shane were sockpuppets. Due to being based off T.E.D, he's also rather foul-mouthed hence why he's one of the few characters in the game to cuss (albeit censored out).
  • His family's surname is the name of a one-handed sword (with a curvy patterned blade).
  • Aidan possesses a mask that changes his voice. He probably wears it as part of his disguise.
Characters (Lunar Shadow ZERO)
Aidan FlambergeAionAlexis FlambergeAriâAxlvoltCiel SorcièreÉleaEron Alexis ArmweakEvan O'NeillMartel AarSelena Daria van der MerweSerenity HortonShanaShyn WauÝggdrælZsîros
Characters (Lunar Shadow)
Aidan FlambergeAlexis FlambergeAquaAzehrAzizaCheriza du BlazeEron Araia ArmweakEvan O'NeillGrialdynHiranya MitsuruIgnis du BlazeIlina HortonInvidiaIrvingLadislaw SmitLunadine CrimstaineMicrenNoxakaisinkSelena Daria van der MerweSerenity ClonesSerenity HortonShiki TashikiShinica HortonShiori ShauntalSycorTerraTia and MatValerie HortonValkyrie HortonXydia HortonXyz
Bosses (Lunar Shadow)
Aidan FlambergeAlexis FlambergeAzehrBao i Ora mi QueCheriza du BlazeGrialdynInvidiaIrvingKulalaLunadine CrimstaineMicrenNemesisNoxakaisinkSerenity ClonesShinica HortonShiori ShauntalSycorTia and MatValkyrie HortonXyz