HoMM VII Haven Units – Haven faction units from the seventh installment of Heroes of Might and Magic.

To be honest, I get very confused about who is a guardsman, who is a sentinel, who is a pikeman, and so on. Do you mean that you have almost finished the improved pikeman unit from the 6th game? That's cool!

Added 2 minutes later

the main body still has a friend's mesh

If the shape of the "islands" matches and they are simply located in different places, then this problem is easily solved, as you know.