[DarkCloud_PK]

Lunaris/Alien Race could move a lot slower if not on the moon.
To prevent the convyer belts from chewing them up, they could have some kind of boots that when turned on restore their speed to normal, yet it drains MP when on, it'd be part of the disadvantage.

Perhaps Zorbi's could fatigue when not in water. They'd have a little bar the pops up on top when they are out of water, which slowly drains when out of water, and recharges when in water. As the bar gets lower, their attack speed and walking speed would slowly drop.