It's no surprise that villains love to gloat, but this gloating isn't necessarily limited to villains, or even explaining secret plans -- sometimes a character (usually one with special powers) will take a time-out during combat to explain for their opponent's (and the audience's) benefit exactly how their powers work, even if leaving said abilities a mystery would give them a strategic or tactical advantage in the fight. In less serious examples, the explanation may extend from merely how their powers work to exactly what can counteract and defeat them. Examples