Assertion: fortress's wall | /r/HasProperty | four wood frame walls
Facets:
Source sentences:
text: By 1500 you should have walls up; four wood frame walls with 3 layers of spikes, another set of walls around that only 2 blocks high, double upgraded, with another 2 or 3 layers of spikes around those, with your inner four walls 3 blocks high, and built 3 blocks from the outer walls to allow for shooting down below.