Quick battle.

Starting with Heroes 3, I only use quick battles. Because I'm too lazy to learn the magic for each series of Heroes, and I don't want to bother with corpses. IMHO
Besides, the computer does a good job in the battles, it's quite entertaining. And I've played many scenarios in all the Heroes series on the "impossible" difficulty level, with 200% bonuses, etc. :) IMHO

Added 1 minute ago

There's experience in the dynasty. Where you get gold, platinum, etc.
In quick battles, experience only goes to the hero, it doesn't go to the dynasty.

Please explain further? So, if experience goes to the dynasty, is it used by other heroes in the dynasty? In short, what does dynasty experience give?