Talk:Monk (Age of Empires II)/@comment-27977344-20180121024335/@comment-2405:204:5005:32C9:24CD:3CC1:CAAC:387E-20181208023637

Because the siege units apparently have villagers inside it ( in case of Rams) and operating it in case of Mangonels and Trebs. These are the same invisible villagers who get an engineering degree upon researching Siege Engineers and then operate the Siege units better!