They can be used as either a Def or Off unit. Attack or defend however you please. They're att is 50 and def is 60. Players use them for blockades, in presidios or on Adventures in the Lighthouse generally.
I can't help my friends with this because there isn't any floating skulls when i visit them. Only thing i can click in my friends heaven is the floating goods in the sea. Is there any way to fix this? I try to make this it's own topic but i can't do that either.I manage to click two of my friends Haunted Cemetery before the game prevent it for me again.