Hornet is one of the three skins released in the Troldir's Mystic Shop offer. It could be purchased as part of an item deal in late March 2018.
Hornet could be purchased for $14.99 in a limited time deal that included 25000 coins and 1200 DNA. This skin 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: Hornet could be purchased again for a limited time as part of the Miniclip Legacy offer in early December 2018. It cost $3.99 and included 3250 coins.