actually rudra is a single hit ws (2 hits if dualwielding wich you probably will be anyway but the ftp (the sextuple damage multiplier) is not replicated on the 2 hit) and as stated before without any ja boosting rudras damage its not op at all and its actually on par with other strong ws like savage blade or even fudo(again without any job ability suport), as for the other ws it does give less damage then rudra but do get close enough (especially using the apropriate weapon for then) even shark bite actually can pull some good number with the apropriate ja setup nowadays.