
Three timelines in chronological order:
1: lux (the dragons name in this timeline) and Carlos (just a young lord). After finding the treasure, it’s prophesied that Carlos becomes the 1st king with the help of the gold dragon (lux)
2: 300 years later lux becomes Adrien, becomes classmates with (forget his name) 9th prince. This is what we’re seeing now
3: Adrien ‘dies’ and 9th prince is sad (and in love probably) and finds the gold dragons scale to ask a wish to find Adrien’s body (which is impossible cuz Adrien is the gold dragon in front of him. And it seems like Carlos (1st king) became a black beast and is our antagonist

He's the very first king of Ineheart. This was 300 years before Mikhail was born. The dragon goes to sleep after every game. From what Ive read it seems like the game w/ Carlo was some hundred years before he joined Mikhail so like it's his great great great great great great great grandfather or smthng .

His body changes. Go back to the chapter that introduces his "game". You can see one where he is a nun, and other roles. It just so happens the roles he takes on for the games we're being shown are of him in relatively similar shapes. (The war where he sacrificed his troop, the engagement with Carlo, and the current interface with Mikhail, all had similar forms. I'm assuming this is the form he took or that the artist is trying to keep his firm relativity uniform, but he's taken on other forms and roles in the past so ..). But it seems he does retain his hair color. He starts a new "life" meaning he takes on a new form and embodies the form of a human, and at the end of the game it seems he usually gets killed, so I guess it's in a way "starting a new 'life'".
Can anyone explain who’s carlo? ( ̄∇ ̄")