self-inflicted

An expert in the self-inflicted wound, his attacks frequently miss their target in favour of reminding you of his own failings.

When the salarians discovered them, the krogan were a brutal, primitive species struggling to survive a self-inflicted nuclear winter. The salarians culturally uplifted them, teaching them to use and build modern technology so they could serve as soldiers in the Rachni War.

2008, BioWare, Mass Effect (Science Fiction), Redwood City: Electronic Arts, →ISBN, →OCLC, PC, scene: Krogan Codex entry

One huge self-inflicted wound the industry is now suffering from is the lack of coupling compatibility. Up to the 1980s virtually everything had compatible drawgear on a given route, so there was every chance of pushing a failed train out of the way. Since privatisation, compatibility has been lost and in the last few years operators seem to have gone out of their way to avoid compatibility.

2019 October, Ian Walmsley, “Cleaning up”, in Modern Railways, page 43

A man shot dead 12 people in a rampage in a small town in Montenegro before dying from self-inflicted injuries early on Thursday, authorities said, in one of the tiny Balkan nation’s worst mass killings.

2025 January 1, Reuters, “Suspect in Montenegro shooting dies from self-inflicted injuries after killing at least 12 people”, in CNN