Rice Ear Granite

A special Granite used during Starry Sky Divination, it seems to carry Incredible energy.
The amount of Rice Ear Granite consumed during Starry Sky Divination gradually increases with each use:
1st: 1 piece
2nd: 2 pieces
3rd: 3 pieces
4th: 5 pieces
5th: 7 pieces
6th: 9 pieces
7th: 12 pieces
8th: 15 pieces
9th: 18 pieces
10th: 22 pieces
11th: 26 pieces
12th: 30 pieces