Ok, so I have 2 Shiai Tokens and I've been told they're used to buy stuff, but how do they work? How do I buy stuff with Shiai tokens? How do I know which items are able to be bought by the tokens, and finally, how much do these certain items cost? Thanks in advance for your responses, I really need to know.

Here's the thread you're looking for, man.

http://forum.toribash.com/showthread.php?t=448147

Ok so to get one or two or three go on this thread first.

http://forum.toribash.com/showthread.php?t=448147

Now PM any gm with a red name on it ingame or just pm them in forum.
Tell Them What do u want.

You'll find everything you need in the thread that has been linked before. With 2ST you won't be able to buy much, but if you play more gmtourneys or partecipate to gm events, you'll earn more of them.