As the eldest brother, he was tall and muscular. He had long, shaggy black hair that reached his shoulders, the ends dyed a deep red like glowing embers. His eyes were sharp, crimson, with small pupils. He had long, branched antlers like deer antlers, black with a golden sheen at the tips, pointed elf-like ears, and numerous gold rings. His skin was dark tanned, and his arms were covered in red and black scales as if they had been heated. His hind legs were dragon-like with large claws; his long tail was covered in red scales, with a tuft of black fur at the tip. He was in a semi-dragon form with many scales extending up his belly and hips, and long horns. Sekido was constantly irritable, quick-tempered, and largely indifferent toward his brother, but was not blindly wrathful, and instead was more of a tactical and rational fighter. He is able to control lightning In his dragon form: It was approximately 20–25 meters long. Its body was slender but distinctly muscular. Its scales were a dark red mixed with black, like burnt metal, edged with a golden sheen. Its belly was a creamy yellowish color. Two pairs of branched horns resembled giant deer antlers, their tips glowing golden. A black mane turned red, running from its neck to its tail. Its eyes were a fiery red with vertical pupils. Its tail was long, its tip like a whip, capable of generating electrical sparks with a single strike.

As the second, he is tall, muscular, yet agile, dark tanned skin. Black hair with ends turning a deep green. Bright green eyes, always sparkling with mischief. Pointed, elf-like ears. Two long horns that curve slightly backward. Emerald green scales spread across the arms, chest, hips, and legs. Hands and feet transform into sharp dragon claws. A long, slender, and flexible dragon tail sprouts from the back. He is the most relaxed in four of them, he was constantly either praising or mocking the Hunters, and instead of taking the battle seriously, he saw it as nothing more than a game, seemingly to only take interest in the new experiences he was obtaining in the battle. He is able to control wind In his dragon form: An Eastern dragon is approximately 18–20 meters long. Its body is slender and graceful, covered in scales of a deep emerald green that reflect light like jade. Its belly is pale green or ivory white. Two horns curve backward like whirlwinds. Its long, green mane flutters continuously as if lifted by the wind. Its long, slender, and flexible tail allows it to change direction almost instantaneously in flight. Each movement creates powerful gusts of wind, strong enough to disperse clouds, create tornadoes, or cut through objects with its compressed wind blades.

As the third one, he is the tallest and slimmest of the four. Long black hair, the ends turning a deep blue like the sea. Sad blue eyes, with tear-like blue streaks beneath. Long, elf-like ears, gills on the neck and a few on the chest. Thin black horns extending backward like fish fins. Skin with many patterns and bluish-purple scales, especially on the legs and tail. Long, soft, sea-blue tail with a fin at the tip. Webbed hands and feet with sharp claws. Aizetsu was portrayed to be completely dejected, sour, and negative, constantly describing everything as depressing. Aizetsu was shown to be the calmest and most collected out of all five of them, he was shown to calmly analyze his opponents to think out a strategy and figure out his opponents' abilities and weaknesses before attacking. He is able to control water In his dragon form: It is the most slender dragon. Approximately 22 meters long, yet its body is very thin and graceful. Its scales are a deep blue that turns purple like the sea at night. Its belly is a shimmering silver-blue. Its mane is long like flowing water. It has many large fins behind its head, along its spine, and at the end of its tail. The gills on its neck open when underwater. Its eyes are a deep blue, with a sad and calm gaze. When flying, its body undulates as if swimming in mid-air.

As the youngest, he has a muscular build but prioritizes speed, with long arms and legs. His hair is black with a golden-brown tinge at the ends. His eyes are bright yellow, with a small secondary eye below the main one. Two curved horns resemble those of an antelope or mountain goat. His arms and legs are transformed into bird-like limbs covered in golden scales, with large black claws. His hips and legs are covered in shaggy brown feathers. His tail is long with a large tuft of feathers at the end. Similar to Karaku, he seemed to view the entire battle against the Dragon Hunters as nothing more than a game or as a source of entertainment. He is able to control sounds, can generate sound waves when scream that could cause deafness. In his dragon form: It's a dragon-bird hybrid. Smaller than Sekido, but with an enormous wingspan of about 30 meters. Its wings are covered in golden-brown feathers interspersed with golden scales. Its hind legs resemble those of a giant eagle. Its head still retains dragon features, but its beak is short, a blend of predatory bird and dragon. Its horns curve backward. Its long tail has a massive tuft of feathers that helps it change direction while flying. Its eyes are sharp and golden like a hawk's. Its claws are incredibly strong, capable of lifting an elephant.