Fangzor X Aquos first appeared in the episode The Fusion Bakugan Arrives where he battle Drago. Drago uses Flame Wave but Fangzor X Aquos dodges. He then tries to slash at Drago but Drago dodges and hits Fangzor X Aquos with his tail. Fangzor X Aquos then uses Fusion Beam which hits Drago and sends Drago flying back. Then while Drago is on the ground Fangzor X Aquos attempts to slash at him but Drago dodges each one and then stops both of the scythes from hitting him by grabbing it. Drago then uses Twisting Inferno which hits Fangzor X Mantanoid. Drago then grabs onto to Fangzor X Aquos scythes but Fangzor X Aquos uses Flash Hold to blind Drago making Drago to let go. Fangzor X Aquos then slashes at Drago and sends Drago flying back. Drago then gets his Baku-Gear and uses Element Canon but Fangzor X Aquos guards and spins which draws in the fire from Element Canon and Fangzor X Aquos sends the fire at Drago which hit Drago. Then Fangzor X Aquos coils around Drago. Dan then rolls out both Cyndeous and Gillator to help Drago. Cyndeous slashes at Fangzor X Aquos which causes it to let go of Drago and when Cyndeous slashes at it again it blocks the attack. Fangzor X Aquos then gets hit by Sonic Bonfire which surrounds it in fire and then Cyndeous uses Sword Barrage which hits Fangzor X Aquos. Then Fangzor X Aquos calls on his Baku-Gear without a Baku-Gear Core surprising everyone. Fangzor X Aquos then uses Boomerang Blade which hits Cyndeous and Gillator. Drago then uses Pyrus Tornado which Fangzor X Aquos defends against. Then Drago uses Pyrus Tornado, Cyndeous uses Sword Barrage, and Gillator uses Sonic Bonfire which combine into a powerful blast and hits Fangzor X Aquos taking it out. It then reappears in the episode First Fusion! Drago and Tretorous where he battled Drago, Cyndeous, and Gillator. All of them try to attack Fangzor X Aquos at once but Fangzor X Aquos uses Syncing Coil to repel them. Drago then uses Backdraft which hits Fangzor X Aquos. Gillator then uses Sonic Bonfire which Fangzor X Aquos slashes away at. Cyndeous then uses Sword Barrage but Fangzor X Aquos slashes trough it. Fangzor X Aquos then uses Fusion Beam which hits Drago and then it slams onto Gillator and Cyndeous. Then uses Fusion Beam while still on top of Cyndeous and Gillator and it hits them. Then Gillator is taken out. Fangzor X Aquos then throws Cyndeous. Then Lightning rolls out Tretorous and Howlkor. Howlkor uses Thunder, Tretorous uses Shadow Bash, Cyndeous uses Sword Barrage, and Drago uses Pyrus Tornado. All the attacks hit Fangzor X Aquos and then Drago attempts to attack Fangzor X Aquos but it jumps out of the way and then it gets its Baku-Gear. It then uses Boomerang Blades to take out Cyndeous and Howlkor. It then uses Fusion Beam which hits Drago and Tretorous. Drago and Tretorous though don't give up and fuse into Dragonoid X Darkus. Dragonoid X Darkus then uses Midnight Fire which hits Fangzor X Aquos. Drago then uses Combustion Hold which takes out Fangzor X Aquos.