Seiyatsu is a gray and purple alien-like humanoid creature with long tail and a queue hairstyle wearing golden armor with a triangular icon on the chest.
- Attack: Medium
- Life: Tank
- Speed: Very Fast
Darwin ran numerous experiments on the genomes of all kinds of creature. This entity is the result of very delicate combinations fused with phenomenal power.
- This mutant is a reference to Mewtwo from Pokémon franchise.
- If you look at Seiyatsu's armor more carefully, there is a triangular Poké Ball-like icon on the chest.
- This mutant's armor looks similar to Saint Seiya's armor.