I don't know if Solasta's solution would suit BGE but we have to be able tu use our reactions like in D&D.

This is a core feature of D&D and what makes combats more "realistic" / more "Real time" / "less common TB combats".

I don't know how but they'll have to find a better solution.

French Speaking Youtube Channel with a lot of BG3 videos : https://www.youtube.com/c/maximuuus