-->''"Long forgotten...are the days before the land was cloven by Gagharv...''
-->''When the three worlds existed as one...''
-->''The crack in the earth is the scar of our sins...''
-->''How long have we been living in guilt?"''

Gagharv Trilogy is a trilogy of EasternRPG made by {{Creator/Falcom}}. The trilogy established a new sub-series, ''Legend of Heroes'', by discarding the ''Dragon Slayer'' brand its predecessors have. The first game, ''Legend of Heroes III Gagharv Trilogy first: White Witch''[[note]]''Legend of Heroes II: Prophecy of the Moonlight Witch'' for PSP International release[[/note]] was released in 1994 for PC88.

The trilogy is rather infamous for its BadExportForYou, which was nearly killed the chances of localization for VideoGame/TrailsInTheSky, and by extension, VideoGame/KisekiSeries. Even then, they influenced a lot of plot points in Kiseki series.

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!!The trilogy as a whole contains examples of:
* AdultsAreUseless: Averted. In fact, the trilogy established a tradition of the ''Legend of Heroes'' series that adults are '''''never''''' useless.
* AnachronicOrder: The trilogy's first game is set in the DistantFinale. The other two games serve as its prequels.
* BackForTheFinale: Another of series' traditions is that every single playable characters the party have met will be back for helping the final party members in some ways.
** Averted for Filly in the non-PSP versions of Moonlight.
** {{Downplayed}} in Ocean, as everyone [[spoiler:except Altos]] is already together just before the final two chapters.
* {{Badass}}: '''Michel de Lap Heaven'''. His badassery [[spoiler:even transcend boundaries of dimensions in ''Alternative Saga''!]]
** BadassAdorable: Jurio, Chris, Shannon, Rael, Forte, Una, Aida.
** BadassGrandpa: Every games has at least one. Playable characters-wise, we have [[spoiler:Durzel]] for Moonlight, Gawaine for Vermillion, and Macbain for Ocean.
** TookALevelInBadass: Michel was just an NPC in Moonlight. In Vermillion [[spoiler:he took on several of Octum's Apostles by himself, and won]]. In Ocean, however, [[spoiler:he is almost omnipotent]].
*** Thomas is a strange example, mostly due to the anachronic nature of the games. [[spoiler:In Moonlight, he only knows some basic spells, although it's justified by his age. In Vermillion, he is downgraded to a mere NPC, which is also justified by the timeline. By the time of Ocean, he takes a major level of badassery, to the point of becoming one of the final party members.]]
* BitCharacter: Many NPCs you can talk to change their dialogue as the game progresses.
* BlindIdiotTranslation: The most common complaint about the PSP remakes localization.
* DarkerAndEdgier: Vermillion is this to the other two games.
* GoMadFromTheRevelation: [[spoiler:Bellias became an Octum's Apostle after witnessing the Wave of Raual during his trip to Truth Island.]]
* GottaCatchEmAll: The trilogy established the books-collecting hidden sidequests which later is going to be rather crucial in the successing series.
** The PSP remakes added History entries, which can be filled by going through the story and talking to NPC at the right time.
** In addition to that, the PSP remake of Ocean has Sonomemories, Orbs, and Tuning Fork-exclusive characters.
* HonorBeforeReason: Douglas refuses to use the Thunder Sword given to him by his master when it is returned to him, due to his negligence being the reason he lost it in the first place. The sword has very high stats. [[spoiler:He temporarily forgoes this vow when he has to save Avin and the gang before they face Belias.]]
* MySisterIsOffLimits: Avin is REALLY against Eimelle dating or marrying anyone. Eimelle also gives Avin stares when he says he will protect a NPC female if she gets in trouble.
* ThemeNaming: Colors, at least for the Japanese titles.
** OddNameOut: ...except Ocean. Though one can argue that "Ocean" refers to ocean blue.
* SpellMyNameWithAnS: In Prophecy of the Moonlight Witch, Chris and Jurio meet a man named Folt who plays the organ for them before they view the magic mirror. [[spoiler:In Song of the Ocean, his name is spelled "Forte".]]
* TimeSkip: 7 years from Vermillion to Ocean. Then 49 years from Ocean to Moonlight.
* TragicKeepsake: [[spoiler:The bell that Avin receives after Mile dies. When Mile is brainwashed after being brought back to life, Avin uses the bell to bring him back to his senses.]]
* TranslationTrainWreck or BlindIdiotTranslation: One of the most infamous parts about the game is the translation. Fandom has it where if you have to ask how bad is the translation, they mention this line from IV: "I didn't have eaten a unusual today."
* WellIntentionedExtremist: [[spoiler:Bellias wants to use Octum's power to recreate the world into a paradise before it can be destroyed by the Wave of Raual that he saw in his vision at Truth Island.]]