Golden
God+Demigod= 75% blood Demigod+demigod=50% blood(i think) Demigod+Mortal=25% blood (AKA Quarter blood) God+mortal= 50% (demigod
Group O can only receive O type blood. O - negative can be donated to almost anyone, with almost any blood group. It is concidered 'The Universal Donor'.
Yes it can sometime it can be bad for you