increase the HP of the land, etc. it's a way of defense
2.
if other users conquer your land, your assets won't be transferred to others, but you have to cost Ditamin to repair your assets so that you can put it on your lands again
Putting on VIP lands
VIP lands can NOT be attacked, everything will be in peace and harmony
Ticket Minting
Players can mint ticket land by Ditamin and occupied lands