Healing Potion is one of the three skins released under the 'RPG' part of the RPG Games offer. It could be purchased as part of an item deal for a limited time in mid August 2017.
Healing Potion could be purchased for $19.99 in the "Best Deal!" which included the Scroll skin and either 50000 coins (Browser) or 1800 DNA (Mobile). It was not available for individual purchase and may not be available for purchase in the future.
Details of this skin may vary depending on location, platform or time.
Note: The RPG sub-offer has been released multiple times after the initial 2017 debut. While the included skins remained the same, the prices and game items varied between releases and platforms. The details for all additional limited time releases for the Healing Potion skin are as follows: