Auto-translated
No.
Hmm, I haven't checked, but it seems like it will be random.
2. Random... it depends on any event... for example, if you fire a hero, you immediately dig, buy one - and the fired one will appear under him - if you do it again, it will be the same army for the hero, but if you move at least one step before firing, then fire and dig, it will be with a different army... this is such a cumbersome method of digging up a hero, for example, with only goblins, without orcs.
Дипломатия - искусство говорить собаке "хорошая собачка" до тех пор пока не найдешь подходящую палку.