Originally Posted by Skyfall
does fainting (whiting out) do anything to your pokemon? I hear it makes them like you less (doesn't matter since they're all at their final evolution already) and you lose some money. IS that it? I'm just running through the Elite 4 to get money and XP.
Whenever Pokemon faint it lowers their Happiness.
You also lose an amount of money depending on your highest Pokemon's level & the amount of badges you have.