Subsuming Vortex

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Template:Infobox Level Subsuming Vortex is a 2.1/2.2 Extreme Demon level initially created by SeptaGon7 before being redecorated by Renn241 and verified by Cursed. Created in 2018, it was set to be the hardest Nine Circles level ever made, surpassing Unnerfed Sakupen Circles. The level features flashy visuals, extremely tight wave sections, and rapidly changing speed.

Subsuming Vortex was placed at #9 on the Demonlist, essentially becoming the hardest Nine Circles level.

History

On 12 May 2020, SeptaGon7's friend vitesse showcased Subsuming Vortex on his channel. The level showcased was its initial version. Back then, the level was thought to be impossible, as the hardest verified level at the time was Tartarus

Verification

HSW

HSW was the first major contender to take the title of the verifier of Subsuming Vortex, as he had been making progress long before Cursed even started verifying the level. Keep in mind that he was playing on the first version of the level. On 6 November 2022, HSW uploaded his 45% world record, achieving it in fairly low attempt count. His goal was to keep grinding the level, but he kept crashing at 45% and 44%, and gave up on trying. According to him, an unbeatable world record on Subsuming Vortex would be 49%, the level was very possible, and that 46% on the level might be harder than 53% on Sakupen Circles. Also, for him the 46-66% section was much harder than any other part in the level.

On 12 November 2022, HSW would upload his second and last progress video on Subsuming Vortex, in which he did a 66-100% run After this run, he said he will drop the level, however, he was very proud of his accomplishments, praising the wave parts in the level for how satisfying it was to play them.

Cursed

Cursed was already playing the level for some time before deciding to play on a live-stream, already having 47%, 36-58%, 45-90%, and 53-100% twice. The next day after the live on 8 April 2025, he uploaded a video of all his best runs at the time. In the meantime of playing Subsuming Vortex he was also trying Acheron, so he decided to beat the latter first to fully concentrate on the former. His next stream appeared on 18 April, where he achieved 59%, 35-96%, and 45-100%. He would then take a break to play other levels, namely Silent clubstep. On 1 July, he stream Subsuming Vortex again.

On 3 July, he got 61% twice, on 4 July 72%, on 6 July 85% and 77% twice, On 10 July 35-100%, and on 2 August he would crash at the furthest spot - 96%. After the fail he would be taking longer breaks from playing the level. On 21 August he already got 35-100% four times, and died past 66% eighteen times. On 22 August he did 35-100% again, and on 3 September he already died 23 times past 66%, On 9 November he would crash at 82% and then 87%, with 282 deaths past 53% and 25 deaths past 66%.

However, on 10 November 2025, he finally verified the level after around 85,000 attempts, and a total of 296 crashes past 53%, and a furthest crash at 96%.

First 10 victors

Victor #	Player	Date Completed	Total Attempts	Furthest Fail	Video
Verifier	Cursed	10 November 2025	~85,000	96%	YouTube
1	wPopoff	24 November 2025	~10,700	96%	YouTube
2	Zoink	15 December 2025	~3,900	80%	YouTube
3	GreenZz	5 March 2026	35,226	88%	YouTube
4	A6	5 March 2026	?	97%	YouTube
5	LAMINGTON	10 March 2026	45,870	81%	YouTube
6	zRodmentor	31 March 2026	19,718	?	YouTube
7	zRodmentor	10 April 2026	~61,000	80%	YouTube

Trivia

• Subsuming Vortex was rated on 15 November 2025 and placed at #9 on the Demonlist a month later on 15 December 2025, above Silent clubstep and below andromeda.
  • This addition pushed Anathema out of the Top 10, Slaughterhouse out of the Top 20, Verdant Landscape into the Extended List, and Axiom Asterism into the Legacy List.
• Subsuming Vortex is currently the hardest rated level published by its verifier, surpassing Kyouki, which had previously held the title for over three years.
• The first victor, wPopoff, initially beat Subsuming Vortex with his microphone turned off, which forced him to rebeat it, which he managed to do roughly two hours later.
• Subsuming Vortex was a former Top 1 impossible level on the Impossible Levels List (ILL).
• The level name is a reference to the Calamity Mod spell tome of the same name.
• Subsuming Vortex is often humorously called 'Submissive Vortrox' due to sharing a similar name with the YouTuber.
• In the end, Subsuming Vortex did not surpass Unnerfed Sakupen Circles in difficulty, as according to the Global Demonlist, as the latter is the #6 hardest Demon, while the former sits at the #12 place.
  • However, this could potentially change, as in the future there will be more victors of both levels, meaning that we will have more accurate opinion as what the both level's difficulty is.