How or Where Do i get a Faerie Paint Brush?

I'm trying to turn my Xweetok into a Faerie Xweetok.





Does anyone know where or how i can get the paint brush?How or Where Do i get a Faerie Paint Brush?
they are very rarely given out as random event (because i randomely got one) but also at auctions.How or Where Do i get a Faerie Paint Brush?
hidden tower. 600k