|Human Host/Form:||Shin Asuka|
|Home world:||Planet Earth (Super 8 Universe)|
|Voice actor(s):||Takeshi Tsuruno|
|Suit actor(s):||Daisuke Fukuda|
|First Appearance:||Great Decisive Battle! The Super 8 Ultra Brothers|
|Number of Appearances:||1 (Movie)|
|Affiliation:||Alternate Ultra Brothers|
After Rena had made everyone remember their original hope, Asuka realize that his original dream which is to become a baseball player along with Gamu, causing their transformation items to appear on their hand and transforms into Dyna and Gaia. After being supported by the citizens, they proceed to free Tiga from the cylinder and defeat the last three monsters King Silvergon, King Goldras & Super Alien Hipporito.
However, the mysterious cloaked being and many other similar looking beings use their magic to revive the souls of the defeated monsters. The souls combine to form Giga Khimaira. The monster knocks down the three Ultras, however, their friends and the city continuously cheer them on and they rise up to right Giga Khimaria. Soon, Hokuto, Hayata, Dan, and Go transformed into the Ultra Brothers with the help of their wives. Together, they free Ultraman Mebius from his imprisonment. The five then join Tiga, Dyna, and Gaia help fight Giga Chimera. After repelling several attacks from Giga Chimera, it flees into space. The 8 Ultra brothers follow it and finish it off. However after returning to Earth, the cloaked beings once again rise.
The mysterious beings, called Kageboshi, fuse to become the Giant Kageboshi. The Giant Kageboshi states that he will make more powerful monsters and bring despair to Earth. Tiga however replies back that it's useless and that the light in everyone's heart will always protect them. The Ultra brothers combine their powers to use the Superior Myth Blaster and destroy the Giant Kageboshi.
After the Battle Asuka soon marries Ryo. Together with the others, they travel to Nebula M78.
- Home World: Earth (Superior 8 Universe)
- Height: 55 meters
- Weight: 45,000 tons
- Time Limit: None demonstrated
- Dyna Crystal: The crystal on Dyna's forehead. It is persumed that it functions similar to his origional counterpart's crystal.
- Dyna Eyes: Dyna can detect the presence of hidden enemies
- Protectors (プロテクター Purotekutā?): The yellow bands on his upper body, they are indestructible pieces of armor, the sturdiest portions of his anatomy.
- Color Timer: A standard color timer, but unlike its Neo Frontier counterpart it is green in color and shows no sign of a time limit.
- Arms: Presumed to be used similar to the original Ultraman Dyna's.
Flash-Type (フラッシュタイプ Furasshu Taipu?) is Ultraman Dyna's default form. It is similar to Ultraman Tiga's Multi Type. This form is assumed to have the same powers as the original Dyna's form of the same name. As he did not have much on-screen time, many of his abilities are still unknown.
- Flight Speed: Mach 8
- Running Speed: Mach 3
- Burrowing Speed: Mach 2
- Swimming Speed: Mach 2
- Jumping Distance: 1000 meters
- Grip Strength: 60,000 tons (human equivalent 60 Kg)
- Solgent Ray (ソルジェント光線 Sorujento Kōsen?): Ultraman Dyna’s signature move. Dyna positions his hands in a plus (+) sign, and fires an electric blue ray. It can destroy monsters in one shot.
- Ultra Purify: Along with Gaia, Dyna can perform an ultra beam attack by raising their right arm in a similar manner to Zoffy's M87 Ray. This was used to release Tiga from Super Alien Hipporito's capsule.
- Vulcan Swing: Ultraman Dyna can swing monsters/enemies in the air by grabbing their tail and tossing them to the sky. However, unlike the original counterpart, he can perform this in Flash-Type.
- Ultra Grand Wall: A combination shield that can reflect enemy attacks.
- Ultra Repair: An energy wave used to repair the damages done by Giga Chimera.
- Superior Strike: Dyna and the other Superior Ultra Brothers fire their respective finisher attacks.
- Ultra Superior: Similar to the Superior Strike, except Seven fires his Emerium Ray. Used to destroy Giga Chimera in space.
- Multiple Eye Slugger: When a blue varient of the Ultra Superior is fired at the Eye Slugger, it can can multiply into many copies.
- Glitter Solgent Ray (グリッターソルジェント光線 Gurittā Sorujento Kōsen?): An upgraded version of his Flash Type finisher. It is said to be 10X more powerful than the original.
- Superior Myth Blaster: A combination attack where the Superior Ultra Brothers fire their respective finisher attacks.
Reflasher: Asuka thrusts the Reflasher into the air, it then unfolds while he shouts "DYNA!" and transforms into Dyna.
- Like all Ultras in this universe, Dyna has a green color timer, the exception is Mebius whom is from the Showa Universe.