[Portable space + Goddesses from countless worlds + Barter for supplies]
“Grandson, burn some spirit money for your grandpa! I've got a big present for you!”
Faced with the ingratitude of his whole family, Zhang Yuan resolutely returned to the village to repay his grandfather's debt. To his surprise, his grandfather appeared in a dream.
After spending a hundred billion on offerings to the underworld, he unexpectedly obtained the jade pendant from his grandfather's grave!
It contained a portable space connected to countless worlds!
Best of all, on the other side of the space, Zhang Yuan could trade supplies with a goddess from another world!
One cup of clean water for one kilogram of gold!
One barbecue meal for three Ming Dynasty paintings!
One dose of penicillin for a futuristic superweapon!
By spending money on offerings to the underworld, Zhang Yuan rose step by step to become the supreme ruler of countless worlds!
