Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding General Attributes Modification - GameplayOverhaul Project

You can change the initial stats of the attributes in the stats editor under Stats>Character, but I'm looking for how to control the leveling aspect of the character.

Armor can also have its weight edited in the StatsEditor. You can look at that and see if you can achieve what you want.