Who is the Coven/Eclipse Leona teaser artist?

Hello my fellow salty brethren! I have been trying to hunt down the artists who worked on the Coven and Eclipse Leona teasers (link provided below) because I'm obsessed and inspired by the unique (to league anyway) style in which they're done, but good ol' Riot and their complete lack of credit to their art team makes it impossible to track down a name. I scoured some websites for the artist of the Black Plague skin line (I'm talking about Black Scourge Singed, Iron Inquisitor Kayle and Cursed Revenant Nocturne) because I felt the artwork was similar but the dude behind those doesn't seem to have updated anything in a while so I can't know for sure if he worked on this project. His name is Pan Chengwei for anyone interested. So please Riot Senpai bless this post with the names of those poor souls who slave over their desks creating content for you to exploit.. Or -the significantly more likely option- My fellow artsy losers in the community, have you seen this particular artist before? Can anybody give me a name? An Instagram? A Facebook page? A Deviantart? An Artstation? Anything. I'd be very grateful. Coven teaser: https://www.youtube.com/watch?v=bRKja2hGKoU Leona teaser: https://www.youtube.com/watch?v=CMQVVZPSqNA
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