Early on in Sekiro: Shadows Die Twice you’ll come across a vendor with a mask piece for sale for 5000 gold. 5000 gold? Who do you think I am?!
Yeah you heard me right: five Gs for piece of a mask. Naturally in a From Software game the whole enchilada is going to be either amazing or a joke item, and fans wouldn’t have it any other way (well, some might).
Mild location and gameplay spoilers abound, here’s what it does and how you unlock it.
Source: Destructoid Sekiro guide: How to get all three parts of the Dancing Dragon Mask and find Treasure Carp Scales