What will happen if the opponent captured your King then you can get a Prince from a Drunk Elephant immediately?
You lost. There is no 'aftermove', the game ends at the end of the turn of the player who captured your only royal. Likewise, if you capture the opponent's last royal with a move that exposes your own last royal, he cannot draw by capturing that and leave you both kingless.
That is the essential difference between royalty extinction and baring (as in Shatranj). In the latter case you do get an aftermove to avert the loss, and turn it into a win (by capturing the King) or into a draw (by counterbaring).
You lost. There is no 'aftermove', the game ends at the end of the turn of the player who captured your only royal. Likewise, if you capture the opponent's last royal with a move that exposes your own last royal, he cannot draw by capturing that and leave you both kingless.
That is the essential difference between royalty extinction and baring (as in Shatranj). In the latter case you do get an aftermove to avert the loss, and turn it into a win (by capturing the King) or into a draw (by counterbaring).