666 Disorder Openweight Championship
The 666 Disorder Openweight Championship is a professional wrestling championship and the top singles accomplishment in the Japanese promotion Wrestling of Darkness 666, established in 2018.
The title is currently held by Onryo who is in his second reign.
History
On December 23, 2018, Yuko Miyamoto defeated Onryo in the final of a 16-person Professional [wrestling tournament|tournament] to win the inaugural title.In October 2023, Koju Takeda vacated the title after suffering an injury and having been diagnosed with a cervical hernia. A tournament was then held in early 2024 to determine a new champion.
Inaugural tournament
The tournament to crown the inaugural 666 Disorder Openweight Champion started on February 23, 2018, at 666 vol.81. A "first round" 26-person Battle [royal (professional wrestling)|battle royal] was held with the last 15 survivors advancing to the second round alongside Mame Endo who received an automatic bye.Reigns
As of ,, there have been a total of seven reigns shared among five different wrestlers, and one vacancy. The current champion is Onryo who is in his second reign.Combined reigns
As of ,.| Rank | Wrestler | No. of reigns | Combined defenses | Combined days |
| 1 | Onryo † | 2 | 4 | + |
| 2 | 2 | 4 | 615 | |
| 3 | Konaka=Pahalwhan | 1 | 5 | 569 |
| 4 | 1 | 3 | 341 | |
| 5 | 1 | 0 | 149 |