I noticed that Sanctum Sanctorum had moved a few weeks ago, and saw that Relic had moved to a sim called the Nameless Isle, so I went to check it out. Relic Store is now laid out inside a dark place some seven hundred metres above the island.
In case you haven't seen the work of Baron Grayson, I recommend that you get there as soon as possible and explore the shop and the sim. You may well find things suitable for Halloween decorations, and there are always interesting places to explore on Baron's sims.
In his profile, I found a link to Templum ex Obscurum and explored there too. For atmospheric builds, Baron is simply in a class of his own.
I learned a lot from watching Baron build in my first year in SL, and he offers people the chance to watch the progress on the Nameless Isle. You'll also find some bargains in the shop... some of them at a fraction of the price they were originally, and some unique freebies too.