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Sinister Sword: Ominous Onyx
Item
Sinister Sword: Ominous Onyx
Roblox
Asset 117127649927890by Hyacinth UGC
Current RAP
140R$
Avg Price (30d)
140R$

3 sales

Avg Price (90d)
140R$

12 sales

Avg Price (180d)
140R$

34 sales

Lowest Price
140R$

resale from 3,999 R$

Original Price
140R$
Total Copies
1,500
Original Copies Remaining
1,381

92.07% left

Summary

Sinister Sword: Ominous Onyx is a Roblox UGC Limited back accessory by Hyacinth UGC. 1,381 of 1,500 original copies are still on sale from the creator, about 8% of the stock claimed. It was originally on sale at 140 R$, and the creator still sells it at that price. Resale listings start at 3,999 R$, about 2756% above its RAP of 140 R$. RBX Invest has tracked 3 sales of it in the past 30 days. It was created on Roblox on Jul 28, 2025.

Description

Find more recolors here: https://www.roblox.com/catalog?Keyword=Sinister&Category=1&CreatorName=Hyacinth+UGC&CreatorType=Group&salesTypeFilter=1&SortType=3 - Find more Onyx/Monochrome items here: https://www.roblox.com/catalog?Keyword=monochrome+onyx&Category=1&CreatorName=Hyacinth+UGC&CreatorType=Group&salesTypeFilter=1 - After someone sold these fine swords for a plentiful amount, one of the swords fell into the hands of a demon's stronghold, waiting to find an opportunity. And this sword was it. Basked in the glory of the crimson air, the sword consumed the dreaded hatred and evils, transforming it into something of a nightmarish weapon. - Tags: Onyx, White, Black, Metal, Grunge, Horns, Sparkles, Chrome, Gem, Chains, Emo, y2k, Dark, Matte, Shiny, Cross, Goth, Trendy, Fire, Skeleton, Bone, Vampire, Spikes, Scary, Demon, Scythe, Sword, Crimson, Blood, Wings, Skull

Sinister Sword: Ominous Onyx

Sinister Sword: Ominous Onyx is a Roblox UGC Limited back accessory by Hyacinth UGC. 1,381 of 1,500 original copies are still on sale from the creator, about 8% of the stock claimed. It was originally on sale at 140 R$, and the creator still sells it at that price. Resale listings start at 3,999 R$, about 2756% above its RAP of 140 R$. RBX Invest has tracked 3 sales of it in the past 30 days. It was created on Roblox on Jul 28, 2025.

RAP 140 R$
Lowest Price 3,999 R$
Total Copies 1,500
Original Copies Remaining 1,381
Original Price 140 R$
Market Cap 16,660 R$
Item Type UGC Limited
Category Back Accessory
Creator Hyacinth UGC

How much is Sinister Sword: Ominous Onyx worth? Price and value

As of October 18, 2026, Sinister Sword: Ominous Onyx is worth about 140 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 3,999 Robux. Across the 119 owned copies, its estimated market value is 16,660 Robux.

That puts the cheapest copy 2756% 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 Sinister Sword: Ominous Onyx?

Sinister Sword: Ominous Onyx is a UGC Limited Back Accessory with 1,500 total copies. 1,381 copies are still available from the creator. It originally sold for 140 Robux.

RAP is close to the 140 Robux original price, so the item has held roughly its release value.

Sinister Sword: Ominous Onyx has 26 favorites on the Roblox catalog.

Sinister Sword: Ominous Onyx sales history

RBX Invest has recorded 120 sales of Sinister Sword: Ominous Onyx across 72 trading days, from Sep 6, 2025 to Oct 11, 2026.

Sales here include copies bought from the creator’s original stock as well as resales between players. Free promotional claims are not counted.

Every recorded trading day averaged 140 Robux.

By calendar year, its average sale price went from 140 Robux in 2025 to 140 Robux in 2026.

Sinister Sword: Ominous Onyx: average sale price in the 12 most recent months with recorded sales
MonthAverage sale priceSales
Oct 2026140 R$3
Sep 2026140 R$3
Aug 2026140 R$4
Jul 2026140 R$11
Jun 2026140 R$10
May 2026140 R$2
Apr 2026140 R$5
Mar 2026140 R$4
Feb 2026140 R$14
Jan 2026140 R$5
Nov 2025140 R$5
Oct 2025140 R$6

Did Sinister Sword: Ominous Onyx make money for release buyers?

Sinister Sword: Ominous Onyx's first recorded sale was on Sep 6, 2025, and its original stock had not sold out when these figures were read. Copies could be resold from Oct 6, 2025, 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 Sinister Sword: Ominous Onyx

Find more recolors here: https://www.roblox.com/catalog?Keyword=Sinister&Category=1&CreatorName=Hyacinth+UGC&CreatorType=Group&salesTypeFilter=1&SortType=3 - Find more Onyx/Monochrome items here: https://www.roblox.com/catalog?Keyword=monochrome+onyx&Category=1&CreatorName=Hyacinth+UGC&CreatorType=Group&salesTypeFilter=1 - After someone sold these fine swords for a plentiful amount, one of the swords fell into the hands of a demon's stronghold, waiting to find an opportunity.

How to get Sinister Sword: Ominous Onyx

Sinister Sword: Ominous Onyx can still be bought from the creator on the Roblox catalog, with 1,381 copies left.

Sinister Sword: Ominous Onyx is Roblox asset ID 117127649927890. It was published by Hyacinth UGC. On RBX Invest it sits in the Swords, UGC Limited Back Accessories, Limiteds under 10,000 R$, UGC Limiteds Still in Stock 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.