Could Someone Give me Guidance on Fire Emblem ROM Hacking?

[Shuusuke]

That’s a lot of questions. I’ll stick to the objective ones.

The two main ways of romhacking are FEBuilder and Buildfiles. FEBuilder has an UI, Buildfiles are text-based. A blunt way I differentiate them further is “most things are simpler in FEBuilder, but the most complex things are more convenient in Buildfiles”. If you want a full comparison, including non-romhacking engines, you can check this topic:

Romhacking, Lex Talionis, Tactile, and SRPG Studio. An engine comparison post. (Which game creation engine will best suit your needs?)

Hey, everyone. This post has been a long time coming. This is effectively a major update to that post I made over a year ago. When I first wrote a comparison post about the three main ‘engines’, I did so in about two hour’s time without a lot of thought. It was a spur-of-the-moment thing, not something I researched or investigated heavily. That changes with this post. Today, I’m going to be talking about as many of the main engines people use to custom-create their own Fire Emblem or FE-like g…

There is a FAQ for FEBuilder that often gets recommended: UltraxBlade's #febuilder-help FAQ
A video showing how to make a chapter: https://youtu.be/1_4kngL9V2c
You can also open vanilla games or romhacks in FEBuilder to reference how they do things as a way to learn, and then some trial and error.

As a more general suggestion, you should join FEU’s Discord and take a look around there. There are channels focused on troubleshooting, map design, writing, general discussion, and more. You’re more likely to get answers if you ask more specific questions and in their respective channel, instead of the spread approach.