World Beyblade Organization by Fighting Spirits Inc.

What tip is best for dark bull? A flat, semi flat of defense? Sorry if this is in the wrong section or someone already asked this.

Probably Defense

None of these are very competitive.

Also next time use ask a question, get an answer! thread please.

If you want a good combo go to the build me a combo thread and list your parts

For short questions like that, you should use one of the more general topics we have, such as Build me a combo!.