I don’t mean to Necro, But I wanted to resolve this post so it’s tidy. But if anyone comes past this in the future, the issue was a classic problem in 3D space.
Gimbal lock and blueprints are a bit of a nightmare.
This is the link to the YouTube video that solved it. It’s been posted in a good few places, but here it is again.
Itd love native quat support in blueprints. plz unreal plz.