Buildable. Boosts ASW damage by 15% when used together with a depth charge (both must be on the same ship). Stock equipment of [[Makigumo|Makigumo Kai]], [[Naganami|Naganami Kai]], [[Amatsukaze|Amatsukaze Kai]], [[Kiyoshimo|Kiyoshimo Kai]]. Reward for top 200 in May 2013. | Buildable. Boosts ASW damage by 15% when used together with a depth charge (both must be on the same ship). Stock equipment of [[Makigumo|Makigumo Kai]], [[Naganami|Naganami Kai]], [[Amatsukaze|Amatsukaze Kai]], [[Kiyoshimo|Kiyoshimo Kai]]. Reward for top 200 in May 2013. |