Ransom, symbolism, information, royalty, publicity, leverage... The captive Princess Mia could see all complex considerations being thrown out as soon as the thousands of invader soldiers laid their eyes on her and primal urge took over. [Civilization On
The citizens of the fallen kingdom watched their beloved knight princess get dragged out, strung up and violated by the orc chieftain as an announcement of their takeover. [Idolmaster](artist:Echihiro)
With Hyrule taken by Ganondorf, the royal ladies were all taken by their new king, especially the queen now forced to bear the children of the man that defeated her husband. [TotK](mosouko)
I ran into a wild Toxtricity. After failing to catch it he pounced on me and began trying to breed me. It didn't long for my body to give in, for my mind to break, for me to submit... (バーバリアン高本)
The northern barbarians seeking fertile lands invaded the Aztecs and took Princess Mia captive. There was nothing else they needed from her like ransom or secrets.