Dark Elixir Drill
The Dark Elixir Drill collects Dark Elixirfrom an unlimited underground reserve, and stores it until it is collected by the player and placed into a Dark Elixir Storage. When the drill is full, production will be stopped until it is collected. The Dark Elixir Drill takes up a 3x3 space. After the 2014 Christmas update, the Dark Elixir Drill is unlocked at Town Hall level 7, along with the Storage. The second and third drills are now unlocked at Town Halls 8 and 10, respectively. Until the drill is constructed, Dark Elixir can only be obtained by raiding, participating in Clan Wars, collecting Dark Tombstones from dead Dark Elixir Troops and/or using Gems. When you choose to upgrade a Dark Elixir Drill, it will automatically collect any uncollected Dark Elixir. Note that if your Dark Elixir Storage is full at that time, the uncollected Dark Elixir will be lost. During the upgrade the drill stops producing Dark Elixir; if it is destroyed in an attack while the upgrade is in progre