Cobalt Watchstone

Cobalt WatchstoneThe memories and emotions of countless victims of the Elder,
locked in stone for eternity.Socket this into a Citadel on your Atlas to increase the Tier of Maps and reveal hidden Maps in that Citadel's Region. You can only socket one Crimson, Viridian, Cobalt or Golden Watchstone into each Citadel.

Acquisition
Not in game
Drop level: 1Metadata
Item class: Watchstone
Metadata ID: Metadata/Items/AtlasUpgrades/AtlasRegionUpgrade2_6

Cobalt Watchstone is a watchstone.

In item filter (and the text copied in-game by using Control + C keybind in PC), it belongs to Atlas Region Upgrade Item item class, despite GGG declared it belongs to Quest Items item class.

It has the green border in-game, just like other quest item .

Item acquisition

Cobalt Watchstone is drop disabled.

Version history

Version	Changes
3.17.0	Removed from the game
3.13.0	Fixed a bug where quest Watchstones could be seen and picked up by party members.
3.9.0	Introduced to the game.