dwarf

Translation:

Fortune teller: Money is slow this year because there is a black dwarf in your house

Cathy: (thinking) as if I believe...

Cthy: ehem... so how can I drive out the black dwarf?

Fortune Teller: just put the ashes of the house of a white dwarf

Cathy: huh?! so... where will I get those ashes??

Fortune teller: here... I'm selling some!