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Phlegethon is an earth-elemental Eidolon from Final Fantasy Dimensions II. He can be obtained as a signet for Wrieg to equip by completing his twelfth character episode, "An Ideal Future".

If the player manages to obtain Phlegethon before the end of the Crystal of Time arc, Wrieg will be able to take advantage of the signet's boosts to HP, Attack, and Speed. If the signet is obtained during the Eureka arc, the signet stats pales in comparison to the stronger stats provided by the signets obtained during that portion of the game. However, Phlegethon's Abyssal Slash ability for Wrieg is a strong attack that allows him to have a decently potent multi-hitting attack.

In the original free-to-play versions, Phlegethon was a SSS ranked earth-elemental summon and could only be obtained from the game's summon drawn shop. All party members could equip the signet.


Phlegethon’s design and appearance is based on the boss Titan from Final Fantasy III. As the summon evolves, his armor becomes more elaborate and his hair changes between shades of blonde. Despite being based on the Titan boss from Final Fantasy III, Phlegethon’s Final Fantasy Dimensions II moveset takes heavy inspiration from the Final Fantasy XIV Phlegethon boss, also named Titan in the Japanese versions of the game, that appeared in the Labyrinth of the Ancients raid in Final Fantasy XIV, sharing Phlegethon’s Abyssal Slash and Ancient Flare abilities.

Despite being based on the Titan and being named so in the Japanese version of Final Fantasy Dimensions II, the English localization of the game uses the name of Phlegethon from Final Fantasy XIV. This was done to differentiate the Phelgethon summon from the recurring summon Titan who also appears as an Eidolon in Final Fantasy Dimensions II, as both use different spellings in the Japanese version of the game, with Phelegethon being (ティターン, Titān?) and Titan being (タイタン, Taitan?).


Phlegethon's summon attack is Ancient Flare, which deals heavy earth-elemental damage to all enemies and has a chance to inflict instant death. Summoning Phlegethon costs 3 bars from the Summon Gauge.


Rank AP Required Max HP Max MP Max Attack Max Magic Max Speed Components Needed
1★ 100/100 226 13 29 14 23 None
2★ 150/150 276 15 35 17 27 Yellow Gem I
3★ 200/200 322 18 41 20 32 Yellow Gem II


The following are the abilities Wrieg can learn from the Phlegethon:

Name Ability-type Effect Cost
Abyssal Slash I Ability One Enemy: Nine physical earth attacks MP 60
Abyssal Slash II Ability One Enemy: Nine physical earth attacks MP 60
Abyssal Slash III Ability One Enemy: Nine physical earth attacks MP 60
Critical +16 Passive (Unlocked with Final Evolution)



In Greek mythology, the river Phlegethon or Pyriphlegethon was one of the five rivers in the infernal regions of the underworld.

Titans were members of the second order of divine beings in Greek mythology. They were descendants of the primordial deities born from the Chaos, and they preceded the gods of Olympus, who went on to overthrow them.