This page highlights the differences between RyuseiOh and Red Dragon Thunderzord.
||Red Dragon Thunderzord
|Mecha is non-mechanical sentient beasts called Chi Beasts, which is based on creatures of Chinese mythology.
||The Red Dragon Thunderzord is fully robotic constructs, displaying no sentience whatsoever. The Zord itself is based on creatures from western mythology.
|This mecha fought on its own for the first five episodes. The rest of the Chi Beasts appeared in the sixth episode.
||All five Thunderzords appeared together during their debut.