J.R.R. Tolkien's mythology. Since 2006, she has produced photos and made many drawings of First Age characters (predominantly Elves), forest scenes, and maidens on the social art community DeviantArt. Her galleries have over 100,000 pageviews.
Filat is also the administrator of a DeviantArt group named "TheLotRClub", which has 5,700 members and was founded in 2007.