Demacia is EMBARASSINGLY Underdeveloped
You could make an essay about this subject, but I just want to talk about the characters that don't really even make sense within the walls of Demacia without further explanation.
Obviously, Riot has done well with most of the characters. Leaving us with suspense, but enough satisfying information for their audience.
These champions are:

But when Demacia fails, it fails hard as we have yet to see how some of these champs connect to the new Demacia... Some of them don't even make sense. The prime examples of this are right here:

Shyvana is a half dragon and we know that only the elites know about her and that she would face heavy discrimination... But that's where they fucked up. She's purple right there in the splash. So do people just see this purple chick and suspect nothing? You can't even argue that she's only purple under a circumstance because the lore never suggested it. Even in the case of Poppy... Do they see her as a yordle? Did Orlorn? Demacia is super resistant to magic, so are yordels not using magic to conceal themselves? Poppy is dense, but she's very much aware that she's a yordle, so there's another plot hole. The last one I'll elaborate on is Lucian. He's a part of a group riot hinted as the purifiers, but were still waiting on that.
Finally, a lot of the lore feels outdated. It's as if they established this region, but the characters are still mentally in the old Demacia.
has the most boring and blandest lore in the entire game. In short, I need someone at Riot to "Pimp My Demacia" because it needs serious help... Like, someon needs to call Miss Anna, from the skin team, to pop out some more commando skins or something. Because Demacia. Fuck Yeah. They used to be cool and now they're just not.
Commando:

Completely untouched in the Demacia updates, and has some of the least lore of any champion.