Balista is a lizard-like creature that shows no mercy during battle. He is evil and enjoys watching other Bakugan suffer. However, he has grueling respect for Worton. Unlike most Aquos Bakugan, Balista uses ice-based attacks instead of water.
Balista appeared in the Doom Dimension along with the other Nonet Bakugan, telling the evil Mechtogan, Coredegon, Slycerak, Exostriker, and Mandibor not to doubt Professor Worton (whom he refers to as "all-seeing" and "all-knowing").
He and the other Nonets were freed from the Doom Dimension by Wiseman after learning that Drago is the descendant of the Original Dragonoid who banished the Nonets. He then fought the Battle Brawlers Bakugan along with other Nonets, but he barely battled since he didn't attack any of the Brawlers Bakugan. He helped summon the evil Mechtogan and was defeated alongside the other Nonets when they lost control of Mechtavius Destroyer.
He and Worton fought against Radizen and Roxtor. He and Radizen fought one on one at first before Worton came to help. Later they fused into Volkaos giving Radizen a hard time, but lost when Radizen and Roxtor formed Betakor.
Balista battled the Brawlers Bakugan along with the other Nonets. He got attacked by Drago's fire. He helped summon the evil Mechtogan and was defeated when Mechtavius Destroyer lost the battle.
Wiseman offered to bring him into battle with the Darkus Nonets, but he refused. This was so he could find out what Wiseman was hiding from the Nonets. After finding a secret door, he discovered Gunz Lazar tangled in vines of some sort.
He battled the Brawlers Bakugan along with the other Nonets. He then fused into Volkaos and battled Magmafury with help from Tremblar. He helped summon the evil Mechtogan and was later transported back to Wiseman's headquarters along with the other Nonets when Mechtavius Destroyer defeated Dragonoid Destroyer.
Balista wanted to show Worton the secret room where Gunz was located. Worton then told Balista to forget what he had seen and to focus on the current situation. After saying that, he flew away and didn't see the room. He later battled the Brawlers Bakugan along with the other Nonets where he and Worton were hit by Radizen's boomerang, and helped summon the evil Mechtogan. He was later defeated when Mechtavius Destroyer lost the battle. 
He battled Aerogan, Reptak, and Fusion Dragonoid alongside Worton. They combined into Volkaos and won the first round, but were defeated by Aerogan and Dragonoid Destroyer's combined attack causing them to lose the fight.
In his final appearance, he and the rest of the Nonets summoned Slycerak, Mandibor, and Exostriker. Later he tried to find out what Gunz knew about Wiseman, but he was tricked by Wiseman, led into a cave and killed soon after Wiseman showed him his true identity, which was revealed to be Coredegon.
- Ability Cards
- Hydro Artillery (Hydro Cannon)
- Bubble Rush
- Switch Blizzard
- His ball form looks like a frill-necked lizard.
- His ability, Hydro Cannon is also the name of a Water-type move from Pokémon.
- Likewise, when he combines into Volkaos, his Fusion Ability, Blast Burn, is the name of a Fire-type move from Pokémon. Coincidentally, these two moves are equivalent to each other in Pokémon.
- In the anime, Balista was the first Nonet to engage at least one of the Brawlers without help from another Bakugan.
- In Battle Suit Bash, he was shown to be able to see through walls with infrared vision in his ball form.
- Balista, along with Trister, were the only Bakugan outside of the first season who narrated the preview of the next episode.
- His voice is originally normal, while the dub changes it to be reptile-like.