Re: "but horses don't really move that fast all the time" - yeah, and people don't normally kill 5,000 people without getting themselves killed, let alone cast magic spells, get healed instantly and go through endless days without any food, sleep or pooping. >=(

Horses don't normally gallop all the time, this is true. But I would gladly take "can gallop, then needs a break" over "animates in galloping motion, moves at trotting speed, makes it look like it's kind of defying gravity in doing so".