Korvath is one of the major villains of the story and the leader behind much of the conflict. He's known as the Hollow King and has corrupted entire worlds and gathered powerful forces under his control. Korvath is manipulative, arrogant, and obsessed with power. He commands both monsters and technological forces and sees his followers primarily as tools for accomplishing his goals.

Ribbix is a mutated frog created through Veydran's experiments. He escaped from Veydran's laboratory and became an independent threat. Ribbix has a mischievous, unpredictable personality and constantly croaks while speaking. He possesses teleportation abilities, advanced weapons, and powerful combat abilities. Unlike some of Veydran's other creations, Ribbix isn't simply a mindless monster. He has his own personality, goals, and motivations.

Bloodbite is a mutated piranha created through Veydran's experiments. His body was originally fish-like, but he received mechanical enhancements that allow him to move extremely quickly on land and water. His teeth are toxic, and his metal legs give him tremendous mobility and kicking power. He's energetic, aggressive, and tends to work alongside Tusk.

Tusk is one of Veydran/Korvath's mutated fighters. He's a human-boar mutation with tremendous physical strength, tusks, purple energy, and powerful laser abilities through his specialized equipment. He's loud, cocky, goofy, and loves showing off. He also has the ability to become invisible, making him more dangerous than his personality suggests.

Ayla was raised by Korvath and believed he was her father. After discovering that Raizen is her real father, she turns against Korvath and joins Team Raizen. She is a skilled fighter who uses knives and is more compassionate than most of Korvath's followers.

Aric was a powerful warrior/protector from Lumora who became corrupted and served Korvath's forces. His character is important because of his connection to Axel's past and the destruction surrounding Lumora. He was physically powerful and specialized in close combat. Aric was one of the original major members of Korvath's team before his story ended.

Luca is Korvath's technology-focused fighter. He uses advanced weapons and possesses enhanced physical abilities, including claws. He's more serious and calculating than some of the other villains and frequently acts as the practical member of the group.

Grimmhowl was a cunning monster from Vorrok who served on Korvath's side. His fighting style centered around claws, unpredictability, and ambush tactics. He was one of Korvath's more dangerous close-range fighters and part of the original villain team before his story ended.

Blaze is a mutated fox who eventually becomes associated with Team Raizen. She was originally an ordinary fox before being transformed through Veydran's experiments. She has a ninja-like fighting style, using weapons such as a katana and ninja stars. Blaze is intelligent, independent, and suspicious of the villains. She also wants to understand her past and what happened to her before her mutation.

Gavin is one of the more comedic members of Team Raizen. He's a human fighter who uses a spiked baseball bat as his signature weapon. He's energetic, somewhat goofy, and occasionally gets himself into ridiculous situations. Despite that, he's loyal to the team and willing to fight alongside them. He's also got a habit of beatboxing at extremely questionable moments.

Kael comes from Novaris, a technologically advanced world. He was recruited by Raizen because of his intelligence and technical abilities. Kael became the team's inventor and strategist, creating technology that has helped the team travel between worlds and deal with various threats.

Rex comes from Titanreach and was recruited by Raizen as one of his strongest students. He became a major member of the team and fought alongside the others against Korvath's forces. Rex is known for his strong personality and competitive nature, but underneath that he's deeply connected to the team.

Mira is a fighter from Zephyr who joined Raizen's group after the worlds began falling under threat. She was trained alongside Axel, Brakk, Rex, and Kael and became one of the team's main warriors. Mira has remained with Team Raizen through their battles against Korvath and Veydran.

Brakk comes from Vorrok, a world filled with toxic environments and dangerous creatures. He was recruited by Raizen and trained to use the abilities he developed from his world. Brakk became part of the team as one of Raizen's fighters, helping defend the different worlds from Korvath's forces

Axel is one of Master Raizen's students and a warrior from Lumora. After the worlds became threatened by Korvath and Veydran, Raizen trained Axel alongside the other students to fight back against them. Axel eventually became the leader of Team Raizen and took on the responsibility of protecting the group and keeping everyone together