I'll show you how build a... bunker :)
Step 1: Problem!!!
If you not have Dragons Draigar Castle, you can't build this bunker...
Step 2: Foundation
Foundation very important subject, because depends on them static strength!
How to arrange the blocks? Look at second picture!
Step 3: Security!
The most important thing in the bunker - security, so do everything properly.
Find out how to put the blocks looked 2 and 3 photos.
Step 4: Columns!
Step 5: Roof
Step 6: Ladder
Step 7: Armor
Step 8: Soldiers
Bunker is... finish:)