If you played WoW... then I am sure you can remember the times you beat the tar out of, and almost killed a big player only to have then up and escape through some cheesy mechanic, or better, just do some cheesy mechanic escape and leaves a minion behind for you to vent on. at least here you get to put some scratches in their plot armor before the big final event
..or where you lose the kill to Thrall.

Warlords of Draenor

*fume*