Season 1
A 12-year-old boy named Dan Bashin is taken to the alternate world of Grand Rolo by two mysterious siblings, Yuuki and Kajitsu Momose. There, he learns that he's one of the chosen core soldiers, bearing the light of the red core. Along with the other soldiers, he must save Grand Rolo from Otherworld King, who has been exploiting the worlds natives.
Clash! The ThunderEmperorDragon Siegwurm!
A boy named Dan Bashin is drawn into the world of Grand Rolo.
Ankillersaurus Friendship
Zungurii is thrilled that Dan came to save Grand Rolo, but Dan just wants to go home.
Giant Summon- The IronKnight Yggdrasill
Yuuki lures Dan out to battle with The IronKnight Yggdrasill.
ThunderEmperorDragon vs. Iron Knight
Dan's battle against Momose Yuuki continues.
Green Hurricane! Swift Amenborg
Dan and Zungurii have a fight, and Zungurii abandons Dan...
Beauty and Beast!?! The GreatAngelia Sophia/The CleverBeast Iberix
Dan, Zungurii and Magisa arrive at a village of cat-girls, where they are mistaken for a group of dreadful bandits.
Deathmatch! The HellFighter Balam's Fierce Attack
To protect the Mimi village, Dan has to face the Deathmatch Group.
Ultimate Dragon- The Deity Catastrophedragon
The blue soldier Suzuri wants to take Catastrophedragon for his collection.
Purple Darkness! The SevenShogun Beelzebeat
The purple soldier Mai seeks a rematch with a card battler she once lost to.
The ArmoredSacred Walhalance's Trial- Strongest Lance, The Sacred Gungnir
Yuuki is challenged by a human servant of the Otherworld King.
The Locked Gate- Iron Wall Block-Golem
When the bearers of core's light nearly reach the Horizon Ladder, a barrier stands in their way.
Awaken- Crimson Dragon Deck
The Violet breaches into the Red Horizon Ladder, where Zungurii's family and various others are being kept imprisoned and forced to work as slaves.
Storm Tyrant- The Providence Hououga!
The fierce battle between Dan and Kajitsu continues, as Dan is cornered by the powerful Hououga.
Mai's Cry to Otherworld's Core
To her allies' dismay, Mai chooses to leave the group and follow her own path.
The Sealed Clash- The StarEmperorDragon Meteorwurm!
As Dan and the group reach the Blue World, they meet the former red soldier, a man named Julian.
Championship Curtain Raised- The GiantEmperor Alexander's Assault
The championship has begun, and Suzuri is up first.
X-rare Showdown! The StarEmperorDragon Meteorwurm vs. The Emperor Kaiseratlas
It's Meteorwurm's debut battle, but Magisa and Zungurii's freedom is at risk.
One Turn Kill! The Noble Youth of Light vs. Light Speed Shula!
Clackey's first opponent is Light Speed Shula, the brother of the lonely princess he met in town.
A Possessed Battle!?! Meet The BladeKingBeast Byak-Garo!
While hunting down an X-Rare, Suzuri gets possessed by an onmyouji.
Championship's Final Match! StarEmperorDragon vs. BladeKingBeast!!
Dan faces Kenzo in the finals, and learns a shocking secret.
Dragon and Tiger Clash! Meteorwurm's Revival!!
While Dan battles Kenzo, Mai and Suzuri must escape with Kajitsu.
Metworwurm vs. Walhalance!
Dan must face Brustom to get to Otherworld King.
Captive Meteorwurm!
While Dan is kept prisoner, the three heads of Otherworld King gather.
Clash vs. Destruction! The DinoCavalry Diridalus
Dan faces Pantera, a robot with data on all battles in Grand Rolo.
I Call You! The ArcAngelia Isfiel!
Clackey must overcome his dislike of Kajitsu to protect her from Leon.
Broken Life! Otherworld King vs. Clash King
Meteorwurm Falls- Otherworld King vs. Clash King
Introductory Battle- The Treacherous Pentan Empire
Dragon Emperor Combo- The MasterDragonRider Dark-Crimson
Blue Crisis- The Captured ArmoredSacred Walhalance
Dark-Crimson Attack Byak-Garo Counterattack
Clash King Dan! Meteor Storm Miracle!
Tag Battle! Terrifying GodMadeSoldier Orihalcum-Golem
Tag Battle! StarEmperorDragon vs. GodMadeSoldier
Vengeful Scullpione- Come! SevenShogun Asmodios
Suzuri's Decision! Orihalcum-Golem's Farewell
ArmoredSacred Walhalance vs. The Fruit of Wise Tree
The WingDeity Grand-Woden's Flight!
All Colors Clash! Horizon Ladder Battle
Grand Rolo's Final Day
The SuperNovaDragon Siegwurm-Nova vs. X-rare Army
The SuperNovaDragon's Roar! Magisa, Resurrected!
Otherworld King's Assassin! SevenShoguns vs. The DoomKnightLord
The End of the Green Windstorm
Prepared to Draw! X-rare The MagicalEmpress Ambrocius
The Ultimate X-rare! The PhantomStarDragon Gai-Asura Enters!
Clash King vs. Silver Knight
Settlement! Siegwurm-Nova vs. Ragna-Rock
Against Otherworld King! Final Light Bearers Deck
Farewell, Clash King!