User blog comment:Blademaster00/Official Amatsumagatsuchi Talk Page/@comment-99.8.111.95-20110118071604/@comment-69.254.131.215-20110119062113

you can shoot it anywhere while its attacking. its wind aura disappears when its doing so (whenever its charging at you is your best bet). i dunno about its tornado attack where it sucks you in though i havent tried it.