대격변 레이드는 바닥만 잘피해도 중간이상은 갑니다..
그런데, 초행이나 경험이 얼마 없으신분들은 정신이 없어서 DPS가 떨어지거나 바닥을 잘 못보죠..

http://wow.inven.co.kr/dataninfo/addonpds/detail.php?idx=5727&rurl=%2Fdataninfo%2Faddonpds%2Flist.php%3FsearchField%3Dsubj_subt%26searchString%3D%25EB%25B0%2594%25EB%258B%25A5

정말 바닥 때문에 신경쓰인다 싶으신분들은 위 링크 애드온을 한번 써보시길..
GTFO 라는 애드온인데... 쓸만 하더군요...