Larian Studios Forums Divinity: Original Sin 2 - The Modding Dungeon Divinity - Original Sin 2 - Modding General Help me theorycraft a dynamic voidwoken spawner

Querying the amount of Source a character has doesn't return how much they had before the last cast of a source skill. So, you need to keep track not only how much they have but how much they had so you can get how much was used.