Mask Shard

Function
Mask Shards are part of Ancient Masks. 4 Mask Shards are needed to complete an Ancient Mask, which increases the player's health by one.

With a total of 16 Mask Shards in the game, the player can increase his health by 4, for a maximum of 9 health, not counting bonuses from Charms.

Location
There is a total of 16 Masks Shards to be found in the game:
 * 1) Bought from Sly in Dirtmouth for Geo.png 150.
 * 2) Bought from Sly in Dirtmouth for Geo.png 500.
 * 3) Gifted by Sly, require the Shopkeeper's key.
 * 4) Bought from Sly in Dirtmouth for Geo.png 800 (Require the Shopkeeper's key from Crystal Peak).
 * 5) Bought from Sly in Dirtmouth for Geo.png 1500 (Require the Shopkeeper's key from Crystal Peak).
 * 6) Gifted by Grubfather after freeing 5 Grubs.
 * 7) In Queen's Station in City of Tears, outside the stagway.
 * 8) TBA.