Sorry, that isn't true. At least not for firoball, and at least not about all posts from JustSid.

What JustSid wanted to point you at is this - at least from my way of interpretation:
"Okay, you've read that it is such an easy approach with the collision system in irrlicht, but did you try it?"

Now from my point of view, because of my experiences I can say that nothing works the easy way, as it was said, when you try it yourself.

ratchet, don't get me wrong, I appreciate your posts and links to news of other engines etc., but many advices are missing the solid validation of doing it on your own to assure that it is actually working as others proclaimed.