Things you need:

1. Get the latest version of event assembler (v11.0.1 as of this release) and put it in the extracted folder.
Get a clean rom called "FE8_clean.gba" and put it in the extracted folder.
Run MAKE HACK_full when you make text or table changes, otherwise MAKE HACK_quick is enough.

"Engine Hacks\Skill System\skill_definitions.event" has the list of skills that are done.

How to use:
"Engine Hacks\Skill System\Skill_lists.event" has the level up skills along with which level they're learned at
"Tables\FE8 Nightmare modules" has CSVs for editing the personal skills and class skills along with things like animations and other stuff.

Credits:
Monkeybard & Black Mage for most of the skill icons
Tequila, Rossendale, StanH, Leonarth, Teraspark for skills
Primefusion for the test map

Known issues:
- Devil effect and Counter do not work together