*No lock is required.
*Requires 21 mining skill to attach
*Decays at same rate both over time (loses Strength and disappears when it drops to 0). Both on or off deed.
*Substantially more difficult to create than any other cut stone object
*Option to build shows up with around Chisel Skill of 15 and Stone Cutting of 10 or vice versa (creation success will only be roughly 6% at that point).