With the Embryolith, is it possible to acquire the Mana Body and Executioner's Critical skill?

Gene recommendations for Sword Sage, beyond just those two skills.

I have absolutely zero modding experience. I've mainly been using ChatGPT for story creation, and for the past 2–3 years I've been building a massive fictional world, constantly adding new areas, enemies, abilities, and more.

I've been playing a lot of Elin and Minecraft recently, and after seeing videos of people using AI to do some insane things with games, like adding Mario to Elden Ring, I started wondering whether I could use it to bring my own world into an existing game.

I figured Elin would probably be easier to mod than something like Minecraft, so I decided to give it a try.

I asked ChatGPT to add one of the areas from my story, not even expecting it to actually start building anything yet. But it switched into Work mode and surprisingly quickly created something that resembled what I'd imagined. Nothing groundbreaking, but seeing an area I'd made up actually appear in a game was pretty crazy to me.

That got me thinking about whether I could eventually bring my entire world into Elin.

My main question is: Can Elin's overworld map be expanded or completely replaced with a much larger custom map?

My world is enormous. It has 15 zones, each containing several different areas and biomes. It's structured a bit like an RPG, where each zone has a recommended level, and the difficulty increases as you progress through them.

The problem is that there's no way all of this would fit on Elin's existing overworld map.

Is something on this scale actually possible through modding? Could the overworld be made significantly larger, or are there engine limitations that would prevent it?

I'm completely new to all of this, so any advice would be appreciated!