My Stock combo beyblades are 

Master kerbeus - vanguard - Extend+ hypersphere
Geist fafnir - 8'- absorb slingshock
Super hyperion - 1a-d - Xceed spm
Super satomb - jerk - zone
Curse satomb - hurricane -universe spm
Glide roktavor - wheel - revolve
Kolossal Helios - 1b - zone spm
Brave valtrek - aero'- my evolution dash broke
Sword dragon - spread - valor hypersphere
Eclipse genesis - swipe - friction hypersphere
Union Achilles - convert - Extend+ hypersphere
Wonder valtrek - 11 - volcanic slingshock
Venom Diabolos - vanguard - bullet hypersphere
Vise leopard - drake - accel slingshock
Air knight - 8' - valor hypersphere
Wizard Luinor - upper - no driver
Dusk Spryzen - infinity - keep hypersphere
Z Achilles - 12 - Extend slingshock
Valtryek - wing - accel

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The only decent combo I have is Eclipse kerbeus wheel absorb sl

Hi! I would try asking this in the thread called "Build me a combo!" #2