I noticed lot of people saying that Jax's backstory was just squeezed in the last three episodes. I was not sure if that is completely true, so I decided to analyze all the episodes and yeah! And I always like analyzing stuff like this lol.
To start off with the first episode: Pilot
We already see each of the character's personalities. Some characters more, some less. We can also define who's the main character and all that stuff. So, it's really mostly us getting the picture of the whole thing + important details that will be shown in next episodes.
Jax is shown as rude to other and a bully to the other characters. And, as far as I know, bullying never really comes with no reason. There's always the why. Which is already a question: why is he like that? Is it because of jealousy, trauma?, etc.
She also seems to like to target other people's fears/insecurities/weaknesses. (Gangle's comedy mask being able to break, Ragatha's fear of centipedes.)
Also, a detail I noticed, in the scene when Pomni, Jax and Ragatha go visit Kaufmo, is that Jax reacts quicker than Ragatha&Pomni. Just a detail.
This could imply the (past) friendship between Kaufmo and Jax or just be a meaningless thing, lol. Just wanted to point it out.
We also notice, through the rest of the episode, that she is genuinely concerned/scared about Kaufmo's abstraction, breaking her "idgafer asshole funny guy" character.
And don't forget this. I wonder if this will have any meaning in the future haha.
Now, let's move to episode 2!
Well, this line might be foreshadowing (somehow) to Jax saying, in ep 6, that she'll probably forget about Pomni and move on...
During the episode, we see more of her "I am the funny guy" thing. We start noticing that she quite enjoys being an asshole to everyone and likes violence. We start to understand, that unlike Pomni, she really enjoys (?) the adventures, her freedom to be and do anything and believes that it's all just a cartoon.
She also breaks the fourth wall, which proves my point:
And I noticed that she becomes upset and insults anyone who disagree with her, and like I said, uses people's fears/insecurities against them and likes to blame everyone but herself. She also refuses to be cheered up and seen as vulnerable.
She doesn't show up to Kaufmo's funeral.
and she isn't there in Pomni's vision/daydream of being saved:
(I'll do the rest on another post, tumblr doesn't let add more than 30 images lol)