What Characters in Frieren you Think Needed more Spotlight?

That my Question

What Characters in the Series you think need more Spotlight and if so what type of Spotlight should they have? And what do you think there future interactions with Friends and Friends should be like in your opinion?

What type of character development you want them to have before the Series reaches its big conclusion and who do wanna see join Team Frieren even if it's for awhile?

What makes said character so great and what in your opinion would make them better? Or at least a good Epilogue to there story?

So much story still to tell

Please put Spoiler Bars on any Manga Spoilers

So Lets do this my Frieren's