How to Claim Land:

1. Use the commands //fepos1 and //fepos2 to select the corners of your area to claim
2. You have selected the area for your base (don't worry about how tall, it goes from bedrock to sky automatically)
3. Now use the command /plot claim and it will claim the area as long as you have enough Dark Coins. (You can get 5 coins per XP orb, so go do stuff that gives you XP).
4. After you have acquired enough Dark Coins, use /wallet to check your amount
5. You can now /plot claim your base (keep in mind you might have to reselect your area with the wooden axe again)
6. You will see that you've claimed your land when you have enough coins, if you would like to stop everyone else from getting in your base and doing anything at all (opening chests, breaking block, etc.) use the command /plot perms interact false
7. To turn back on the permissions for anyone you'd like access to your base use the command /plot mods add <username>