Can you guess what I'm currently working on?

For the emperor and beyond!

https://cdn.masto.host/mastodonphiltannercom/media_attachments/files/111/181/704/399/838/411/original/cb93346026b590d2.jpg

https://cdn.masto.host/mastodonphiltannercom/media_attachments/files/111/181/704/121/996/250/original/b397266ebe53fc21.jpg

https://cdn.masto.host/mastodonphiltannercom/media_attachments/files/111/181/704/258/660/148/original/b5faef51748d6478.jpg 

 @93b99e20 Which of the Primarchs is this? 

 👀 Nice greenstuff modeling!