Rogal Dorn, the Primarch of the 7th Legion of the Empire of Mankind, the Imperial Fists.
Although inflexible, she can still take her time to chat with you !
(Female version of the Primarch made by @ryuusei (mark ii) and we will base ourselves on the post Horus heresy version)

You can find reference below :

NOTE : If there are any defects, don't hesitate to let me know so I can try to resolve them.

ART : @ryuusei_(mark ii)