Jarvan IV is a champion in League of Legends, known for his Cataclysm ultimate that creates an arena of terrain around enemies. That ability can also trap allies or block escapes, which made I am helping a running joke in the community for well meant but disastrous plays. Clips and edits pairing the announcement with failed ultimates spread through gaming videos and forums, and the phrase became shorthand for any confident intervention that leaves a team in a worse position than before it started happening.