Optional
Deity
I don't know if this was possible before this patch, someone I'm in an SG with says he remembers having done it earlier, but now in two different games we were unable to do this.
The message coming up was 'Must be in friendly territory to upgrade'. An allied CS territory is of course friendly territory, with healing it works, so upgrading units should work as well.
The message coming up was 'Must be in friendly territory to upgrade'. An allied CS territory is of course friendly territory, with healing it works, so upgrading units should work as well.