I think… it isn’t recognized enough that yellow ISNT another fragment. He’s the full king himself that Kayne wiped the memories of and shoved into Arthur’s mind.
Any sort of character development that yellow had- every bit of pain and desire for Arthur to accept him and want him around- or attempt to try to work with him. that was hastur.
I feel like this gets missed far too often
The yellow that Arthur apologized to at the end WAS the king- The same entity that harassed him and haunted him through the first two seasons.
God I want to do a character analysis about what this but my brain is too fuzzy right now and I cannot put these implications into words. But you understand that this is no small thing, right?









