立たち至いたる

godan verb (-ru), intransitive verb

reach the point of; come to (a serious state)

Used when a situation escalates to a serious or extreme state, often with negative connotations. Common in formal or written contexts.

• 事じ態たいは武ぶ力りょく衝しょう突とつに立たち至いたった。

  The situation reached the point of armed conflict.

• 交こう渉しょうが決けつ裂れつに立たち至いたる前まえに、もう一いち度ど話はなし合あおう。

  Let's talk again before the negotiations reach a breakdown.