Dragon Ball Z: Budokai Tenkaichi 2 Tips

easy way to get to LvL 98 on most characters
first you need to unlock the following items ..
Oolongs support
mystery of shenron
equiptment slots [enough to fill the rest of emty slots]
master piece [crane hermit]
the sacred water
self confidence
puars support

this should make the following...

life- 20 speed-8
ki-13 blast1-1
attack-20 blast2-8
defense-20 ultimate blast-8.... hope this works cause it did for me