And now we begin the long wait until the OVA gets translated. In the mean time, we try to figure out what happens in the LNs that Bones skipped
It's much easier to list what the didn't change.
What they kept are very general ideas, like Gaz getting revived, or Gillette coming back, or Toru making a contract. They also more or less kept the same character names (except for Black Chaika). They kept the location (Hartgen's Principality, Goeranson castle).
We will never have an SoL with Chaika and Freddy.
It's filler material they should have skipped to develop more important points.
Actually, if they went full SoL and Cute Chaikas Doing Cute Things, the season (and probably the whole series) would have been much better.
I really wish we got more time with season 2. Season 1 was so promising and struck a decent balance with world building, character moments, and plot development. I really hope the LN gets a proper translation cuz I got a fever, and the only prescription is more Chaika.
please tell me this exist for every character
Are you trying to convince yourself about something? Like you'd feel better if Gaz died in volume 11? Like, if Gaz died, then it would mean the anime completely followed the LN?
Also, Gaz getting buttrapaed by Niva was already heavily foreshadowed in the LN.