User blog comment:Zel-melon/Kancolle Safety Guide: Preventing the "Oh shit!"/@comment-26337865-20160714110418

"When Akashi asked for you to sacrifice one of your equipment to upgrade another equipment. Please note that Akashi doesn't give a shit. She will just pick it if you don't equipment-lock it even if that equipment is +8."

This part is incorrect, improved equipment cannot be used as improvement fodder.