https://www.wowhead.com/news/blizzard-confirms-lag-and-disconnect-issues-in-nerub-ar-palace-fix-coming-348777

https://us.forums.blizzard.com/en/wow/t/nerub-ar-raid-lag-fixes-underway-october-25/1993481/1

We recently began detecting widespread lag and disconnects during encounters in Nerub-ar.
우리는 최근 네룹아르 궁전 전투동안 발생하는 광범위한 렉과 튕김이슈를 검출하기 시작했음

We’re currently working on a fix for this.
우리는 현재 이 문제를 해결하기위해 작업중임