Join Daedalic Entertainment’s Nick Prühs as he outlines how the studio combined Gameplay Abilities with Behaviour Trees to allow the heroes in A Year Of Rain to automatically prioritize, target, and use abilities on friends and foes alike.
https://dev.epicgames.com/community/learning/talks-and-demos/7mz/hero-ai-gameplay-abilities-meet-behavior-trees-unreal-fest-europe-2019-unreal-engine