@sarawildeart Thank you very much ! Yes, I think I will test the others with more thickness before deciding which one I will keep.
@malcom Thank you ! I'm a bit sad the n°3 didn't live up to my expectations in 3/4, so I will try to see what I can do with them.
@jeebs Thank you a lot !
So here what I've been doing during those two weeks (damn, already !) : cleaning my forms and, in the end, deciding to keep it as my low poly.
I didn't work on the body yet, I think I will retopoly it after my high is done, seeing as I will not need to keep all of it. (do not mind the parts you can see through the armor, they will not stay visible)
Next step is to work on the high poly ! Firstly the head/horns, I think, it does look a bit funny right now all naked like that..!