i used this exact link and few others to reference from. the main reason for the simplicity is that the game character which this model was made for is gonna be very very small with 7k poly and normal map with a custom cartoon shader in a game engine. so production wise i had no reason to detail the wings with real mesh feathers or highly detailed sculpting, had to be done quick and im kinda new to character modeling. you can check in our trailer how our monsters models are being used. this was more of a fun test.thanks