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List of Digimon Frontier episodes 28
"Darkness Before the Dawn"
拓也の融合進化 アルダモン技炸裂!
(Takuya no Yuugou Shinka—Arudamon Waza Sakuretsu!)
"Takuya's Fusion Evolution—Aldamon's Explosive Attack!"
(Ja:) Fuji Television
(En:) Sensation Animation
Airdate (Ja:) October 20, 2002
(En:) Feburary 17, 2003
Written by (En) Seth Walther
Toei Animation

Takuya, the only Warrior left within Sakkakumon, faces off against Mercurymon himself. But when the Warrior of Steel merges with the data he stole from Seraphimon, it becomes clear that it will take a miracle for Takuya to even survive.


Takuya, now alone in Sakkakumon, finds himself in the Steel Area, where he encounters Mercurymon. Mercurymon taunts him, calling Takuya weak and using his home environment to his advantage by slipping from reflective surface to reflective surface, making it impossible for Takuya to hurt him. After a while, Mercurymon stops toying with Takuya and beckons him to the next sphere, the Light Area. Takuya enters, but only sees a cathedral and becomes suspicious. Before long, however, Mercurymon appears again and summons up Seraphimon's Fractal Code, much to Takuya's anger. When Takuya demands that Seraphimon be released, Mercurymon complies—but changes him into ShadowSeraphimon by combining their data. ShadowSeraphimon easily batters Agunimon around until he slide evolves into BurningGreymon. Even with the added power, however, he is unable to injure ShadowSeraphimon and with one attack, BurningGreymon reverts to his human form, leaving Takuya at ShadowSeraphimon's mercy.

Outside, the others become desperate to help Takuya and spirit evolve in an attempt to break into Sakkakumon. As ShadowSeraphimon prepares to destroy Takuya, Bokomon pleads with Seraphimon's egg to help them again. It glows and gives power to Takuya, allowing him to fusion evolve into Aldamon. ShadowSeraphimon attacks, but he has no effect on Aldamon and he is easily defeated and purified. Seraphimon's data is returned to the egg and Mercurymon retreats to the Steel Area, Aldamon following. The two face off a final time and Mercurymon is defeated and purified, freeing Takuya from Sakkakumon at last. Rejoining the others, he sees Seraphimon's egg hatch into Patamon.

Featured Characters

(Numbers indicate order of appearance. Bolded characters are fought by the protagonist(s), and italicized characters feature non-explicitly, e.g. voice, silhouette, image.)

Humans Rookie Champion Mega Hybrid


Mercurymon 1 ShadowSeraphimon 8 Mercurymon
Mercurymon t Arrow R.png ShadowSeraphimon t Arrow R Red.png Mercurymon t
(+ Seraphimon's Data)
Agunimon 2 BurningGreymon 3 Takuya Kanbara 7 Aldamon 12 Takuya Kanbara
Agunimon t Arrow R Blue.png BurningGreymon t Arrow R Red.png Takuya Kanbara t Arrow R.png Aldamon t Arrow R Red.png Takuya Kanbara t
B Spirit of Flame b 4-01 Flame Symbol
J.P. Shibayama 4 Beetlemon 9 J.P. Shibayama
J.P. Shibayama t Arrow R.png Beetlemon t Arrow R Red.png J.P. Shibayama t
H Spirit of Thunder b
Zoe Orimoto 4 Kazemon 9 Zoe Orimoto
Zoe Orimoto t Arrow R.png Kazemon t Arrow R Red.png Zoe Orimoto t
H Spirit of Wind b
Tommy Himi 4 Kumamon 9 Tommy Himi
Tommy Himi t Arrow R.png Kumamon t Arrow R Red.png Tommy Himi t
H Spirit of Ice b
Digi-Egg 13 Patamon
4-13 Seraphimon's Digi-Egg Arrow RR.png Patamon t


Other Notes

Animation errors

  • When Takuya slide evolves to BurningGreymon, it also shows BurningGreymon after Takuya's beast spirit evolution.