Mortarion, the Primarch of the 14th Legion of the Empire of Mankind, the Death Guard.
She's happy (?) to chat with you, even if she has other things to do...
(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)