model made by me with cinema 4d you can download free and use my model for your creation in exchange for naming me in the description to round off the shapes you should use the subdivision surface effect and for the cape in addition to the subdivision effect you should use the fabric surface effect to see the final result with these effects you can see it on my arstation, my instagram, my facebook and my twitter
Instagram : https://www.instagram.com/p/CFzUWBnHK95/
Facebook : https://www.facebook.com/Kevin-Passion-Creation-2523158477911193/photos/pcb.3027950754098627/3027950550765314/
Twitter : https://twitter.com/kevcreation/status/1311654462180798465/photo/1
Arstation : https://www.artstation.com/artwork/28yEEx