In the last episode of Ultraman Mebius, Captain Serizawa gave the breath of the brave to the dragon,

There are actually two views on this issue: first.

One, it's gone. From "The Mebius Gaiden* Dark Armor", the King of Ultra.

Ask for the dragon with Hikari.

Merging to save Shikari, who was trapped in armor, may mean that Shikari has lost Serizawa's human body.

The second is perhaps more wishful thinking: he's still there. After all, there was Ultraman before.

In the case of sharing life with humans, most of those human beings have never been separated from Ultraman again. It's also the same Gaiden from before, and at the moment when Shikari called the dragon, it was Captain Serizawa's voice that was used. Although this may just be a method of expression in the work:

...... such as the introduction of techniques that allow the protagonist to quickly understand the situation.But if one day, Hikari comes to Earth again, and he will still appear as Captain Serizawa. [What is this inexplicable assumption, hey! Although it doesn't seem to give a very clear answer, it actually depends on how you understand it.

In view of the basis of the original plan to talk about my opinion,I personally think that Serizawa's consciousness disappeared completely when he fought the emperor.,That's why I changed the dragon to possess it.,And the original plan was that the dragon could transform into a shikali battle in about 30 episodes.,Although the plan was changed.,But as a result, the dragon transformed into a shikali battle didn't change.,So it can be said that the dragon finally became the human body of Hikari.,Although it was separated from the dragon when he left.,But if you want a human body in the future.,Maybe you will also come back to merge with the dragon., However, although I personally think that Serizawa's consciousness has disappeared, as far as the human body is concerned, if Shikari wants, he can choose to use the human body of Serizawa and the dragon, perhaps the only difference is that one has to change by himself, and the other has to possess himself.

Are you talking about the Flame Hero form or the Heroic form (translation may vary), the Flame Hero first appears in episode 30 where Imbeleza is defeated, and the Brave form against the favorite Bermonstein in episode 18.

A dozen episodes after Hikari left Earth.

Episode 34 A Man Without a Hometown Lightwave Universe Man Refrett and Leo Ultraman appear.

Also, Mebius didn't work with Gauss.

emmmm, but it is estimated that Leo did not expect that Mebius would dare to take his Leo flying kick in person.