https://scp-wiki.wikidot.com/scp-100000-j
Any containment breach of SCP-100000-J can only be counteracted by activation of all seven of the O5 council's instant supermassive black hole generators. This will result in an XK-class end-of-the-world scenario, but failure to do so will allow SCP-100000-J to cause an █K-class "Dance of a Thousand [DATA EXPUNGED]" scenario.