Who gave DIO the arrow?

Who could possibly have been the mysterious figure behind granting DIO such a powerful artifact as the arrow? Did it stem from a rival organization seeking to gain an upper hand in the shadows of the criminal underworld? Or was it a disgruntled former ally, seeking revenge for some perceived slight? The arrow's origin is shrouded in mystery, leaving many to speculate and wonder - who exactly gave DIO the arrow, and what were their motivations?