If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/candle-fest/

File Font Version : 

1. Leviathan.otf
2. Leviathan.ttf
3. Leviathan.woff
4. Leviathan Italic.otf
5. Leviathan Italic.ttf
6. Leviathan Italic.woff
7. Leviathan Oblique.otf
8. Leviathan Oblique.ttf
9. Leviathan Oblique.woff