|2ndShip=[[Kongou]]<br>[[Hiei]]<br>[[Hiei Kai Ni C]]<br>[[Haruna]]<br>[[Kirishima]]
|2ndShip=[[Kongou]]<br>[[Hiei]]<br>[[Hiei Kai Ni C]]<br>[[Haruna]]<br>[[Kirishima]]
−
+
|Notes=Uses 1x [[Type 3 Shell]] for improvement past ★+6<br>Uses 1x [[Type 1 Armor-Piercing (AP) Shell]] and 1x [[New Model Gun Development Material]] for upgrade to [[Type 3 Shell Kai]]
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|Notes=Uses 1x [[Type 3 Shell]] for improvement past ★+6 <br> Uses 1x [[Type 1 Armor-Piercing (AP) Shell]] and 1x [[New Model Gun Development Material]] for upgrade to [[Type 3 Shell Kai]].