Please Help me to make a perfect bey!

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Please help me by suggesting new combos for my beys! My neighbourhood friends are always beating me at beyblading but its no use!
My beyblades -
Hades Kerbecs BD145DS
Storm Aquario 100HF/S
Flame Libra T125ES
Burn Fireblaze 125MS
Evil Befall UW145EWD
Flame Byxis 230WD
Gravity Destroyer AD145WD

I'm no good at customizing beys and ain't got an idea of customs. Please reply quickly!!!
go to build me a combo 2