In episode 26 of " Nexus Ultraman ", Chiki Rei mentioned some biological knowledge when communicating with monsters as follows: Ultraman: Ultraman is a superhuman warrior, usually transformed from an Otto warrior. Ultraman had powerful combat ability and a special body structure that could shoot energy beams and use special weapons and skills to fight. 2 Monsters: Monsters are fictional creatures that usually come from different planets or universes. Monsters have great strength, speed, defense, and special abilities that can be used to fight and threaten human safety. Superpowers: Ultraman and monsters both have superpowers that can be used in different ways. For example, Ultraman could shoot energy beams, use special weapons and skills to fight, while monsters could use strength, speed, agility, and defense to attack. Cosmic creatures: Ultraman and monsters usually come from the universe and are the collection of various creatures in the universe. For example, Ultraman came from Earth and was an Otto warrior, while Monster came from other planets or universes and was a general term for all kinds of creatures. Planet Creatures: Ultraman and monsters living in the universe are usually a collection of various creatures on Earth. For example, Ultraman's mother was a human on Earth while Monster's mother was a creature from another planet. The above is the biological knowledge mentioned by Qianshu Lian in the 26th episode of Nexius Ultraman. I hope it can help.