A Pass Horse on Howrse.com is usually a Mortal horse (Horse with no Philosphers Stone) that is over 25 years old. When the horse is over 30 years old, It's health will most likely be low, so it will...
they are a form of money on howrse that cost three dollars each, and can be bought with pay pal and other online purchasing systems. they buy exclusive items at the black market