End City/Structure/Large Room

Large rooms hold complex staircases that often lead up to another tower or a loot room.
==== Two-story ====
;Materials
Name	Total	Stack
 	275 	4 + 19 blocks
 	27 	
 	103 	1 + 39 blocks
 	8 	
 	8 	
 	136 	2 + 8 blocks
 	26 	
 	3 	
==== Blueprint ====
All slabs are lower
==== Three-story ====
;Materials
Name	Total	Stack
 	 	
==== Blueprint ====
All slabs are lower except Layer 5 and Layer 8 where they are higher