How much is Blue Castle Universal Blade worth? Price and value
As of October 18, 2026, Blue Castle Universal Blade is worth about 291 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 339 Robux. Across the 500 owned copies, its estimated market value is 145,500 Robux.
That puts the cheapest copy 16% above RAP. Sellers are holding out for more than the item has recently traded at, which is normal for a UGC Limited with few copies on the market.
How rare is Blue Castle Universal Blade?
Blue Castle Universal Blade is a UGC Limited Back Accessory with 500 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for 150 Robux.
At 291 Robux, RAP sits 1.9x the 150 Robux it first sold for.
Blue Castle Universal Blade has 51 favorites on the Roblox catalog.
Blue Castle Universal Blade sales history
RBX Invest has recorded 582 sales of Blue Castle Universal Blade across 75 trading days, from Jun 16, 2024 to Oct 10, 2026.
Sales here include copies bought from the creator’s original stock as well as resales between players. Free promotional claims are not counted.
Its highest daily average sale price was 500 Robux on Jul 12, 2026, and its lowest was 140 Robux on Oct 9, 2024.
By calendar year, its average sale price went from 159 Robux in 2024 to 299 Robux in 2026, up 88%.
| Month | Average sale price | Sales |
|---|---|---|
| Oct 2026 | 300 R$ | 1 |
| Jul 2026 | 280 R$ | 3 |
| Jun 2026 | 140 R$ | 1 |
| May 2026 | 350 R$ | 1 |
| Apr 2026 | 335 R$ | 2 |
| Mar 2026 | 292 R$ | 1 |
| Jan 2026 | 397 R$ | 1 |
| Dec 2025 | 312 R$ | 3 |
| Nov 2025 | 397 R$ | 1 |
| Oct 2025 | 274 R$ | 5 |
| Sep 2025 | 174 R$ | 3 |
| Aug 2025 | 186 R$ | 2 |
Did Blue Castle Universal Blade make money for release buyers?
Blue Castle Universal Blade sold out of its original stock 31 days after its first recorded sale, on Jul 17, 2024. Copies could be resold from Jul 16, 2024, once Roblox's 30-day resale lock ended.
For someone who bought at the original 150 Robux, the best return per day held came from reselling about 31 days after release, when copies were selling for around 450 Robux. That works out to roughly 75 Robux profit per copy after Roblox's cut.
About Blue Castle Universal Blade
Originally sold in the following experience: https://www.roblox.com/games/17420094643/Empyror-Limiteds EmpyrorUGC
How to get Blue Castle Universal Blade
Blue Castle Universal Blade is no longer sold by the creator, so the way to get it is to buy a copy from a reseller on Roblox. The cheapest is listed at 339 Robux.
Blue Castle Universal Blade is Roblox asset ID 17843770729. It was published by Empyror. On RBX Invest it sits in the UGC Limited Back Accessories, Limiteds under 1,000 Copies, Limiteds under 500 R$, Limiteds under 1,000 R$ collections. The RAP, reseller listings, and copy counts on this page refresh from Roblox continuously, so the figures above are the state of the market at the last update rather than a fixed snapshot.