Realizing nobody might be actually get into my storage under Nid Arach, I moved the materials to the much easily accessable location of Storms Landing-- the build site itself where I wish the creative build to be moved over to.The mats list has been fulfilled.
Some of the items cannot be fulfilled because they are built blocks. The materials to make said blocks are in a chest in my storage under Nid Arach, at:
X: 3581, Y: 21, Z: 1078
X: 4844, Y: 59, Z: 870