If you find a character randomly dying really early or much faster than the rest of the party, make sure that they aren't hitting themselves. For example, if you want to have a squire use Heavy Strike when they have Momentum, then you have to use a multi command that starts with Enemy - Is Alive or they will just beat themselves to death. Target is decided by the first condition always.
Game needs an auto-progress button. As I get further in the game, it gets less idle since I clear floors faster and I need to click to descend every few minutes.