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Underworld Master Sword
Item
Underworld Master Sword
Roblox
Asset 13129646666by StarMarine614
Current RAP
263R$
Avg Price (30d)
—
Avg Price (90d)
—
Avg Price (180d)
140R$

3 sales

Lowest Price
150R$

resale listing

Original Price
140R$
Total Copies
500
Original Copies Remaining
Sold Out
Summary

Underworld Master Sword is a Roblox UGC Limited back accessory by StarMarine614. Its original stock of 500 copies has sold out. Resale listings start at 150 R$, about 43% below its RAP of 263 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Apr 14, 2023.

Description

From a collection of 9 swords, all of which belonged to a single master. Check out our other limiteds: https://www.roblox.com/catalog?Category=1&CreatorName=starmarine614&salesTypeFilter=1

Underworld Master Sword

Underworld Master Sword is a Roblox UGC Limited back accessory by StarMarine614. Its original stock of 500 copies has sold out. Resale listings start at 150 R$, about 43% below its RAP of 263 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Apr 14, 2023.

RAP 263 R$
Lowest Price 150 R$
Total Copies 500
Original Copies Remaining Sold Out
Original Price 140 R$
Market Cap 131,500 R$
Item Type UGC Limited
Category Back Accessory
Creator StarMarine614

How much is Underworld Master Sword worth? Price and value

As of October 19, 2026, Underworld Master Sword is worth about 263 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 150 Robux. Across the 500 owned copies, its estimated market value is 131,500 Robux.

That puts the cheapest copy 43% below RAP. RAP averages recent completed sales, so a listing under it means sellers are currently asking less than the item has been trading for.

How rare is Underworld Master Sword?

Underworld Master Sword 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 140 Robux.

At 263 Robux, RAP sits 1.9x the 140 Robux it first sold for.

Underworld Master Sword has 211 favorites on the Roblox catalog.

Underworld Master Sword sales history

RBX Invest has recorded 1,096 sales of Underworld Master Sword across 119 trading days, from Apr 14, 2023 to Jul 4, 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 750 Robux on Sep 10, 2025, and its lowest was 55 Robux on May 16, 2023.

By calendar year, its average sale price went from 133 Robux in 2023 to 140 Robux in 2026, up 5%.

Underworld Master Sword: average sale price in the 12 most recent months with recorded sales
MonthAverage sale priceSales
Jul 2026140 R$1
May 2026140 R$2
Sep 2025500 R$4
Aug 2025275 R$2
Jun 2025270 R$1
Apr 2025145 R$1
Jan 2025140 R$2
Nov 2024145 R$1
Oct 2024450 R$1
Jul 2024140 R$2
Jun 2024200 R$1
May 2024157 R$3

Did Underworld Master Sword make money for release buyers?

Underworld Master Sword sold out of its original stock 3 days after its first recorded sale, on Apr 17, 2023. Copies could be resold from May 14, 2023, once Roblox's 30-day resale lock ended.

Bought at the original 140 Robux, a copy had no profitable resale point in its first year once Roblox's cut is taken out.

About Underworld Master Sword

From a collection of 9 swords, all of which belonged to a single master. Check out our other limiteds: https://www.roblox.com/catalog?Category=1&CreatorName=starmarine614&salesTypeFilter=1

How to get Underworld Master Sword

Underworld Master Sword 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 150 Robux.

Underworld Master Sword is Roblox asset ID 13129646666. It was published by StarMarine614. On RBX Invest it sits in the Swords, UGC Limited Back Accessories, Limiteds under 1,000 Copies, Limiteds under 500 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.