Dwarfs' Mine

The Dwarfs' Mine (ドワーフ鉱山, Dowāfu Kouzan) is location where fairies lived and a mine has various of magic crystals. According to Crowley, the mines has been closed for a while, but it's very possible it is exhausted of crystals. This location was introduced in Prologue 14.

History
Dwarf's Mine was a place where residents used live in Dwarf Cottage and a workplace at the mine until for unknown reasons, the mines is closed down and Dwarf Cottage deserted. Since the incident, they are creatures who resides in the abandon Dwarf's Mines protecting crystal stones.

Silent Woods
The Silent Woods (静寂の森, Shijima no Mori)

Dwarf Cottage
The Dwarf Cottage (ドワーフの小屋, Dowāfu no Koya)

Trivia

 * The Dwarf's Mine shares the same name from 1937 film Snow White and the Seven Dwarfs's Dwarfs' Mine.
 * The Dwarf Cottage is similar to Cottage of the Seven Dwarfs from Snow White and the Seven Dwarfs.