expression, godan verb (-ru)
things have come to a point where nothing can be done
Fixed expression used when a situation has deteriorated beyond remedy. Often implies resignation or that all options are exhausted.
事ここに至っては、もはや打つ手がない。
Now that things have come to this, there is nothing more we can do.
ことここに至るまで、誰も問題に気
Nobody noticed the problem until things reached this point.