Board Thread:Questions and Answers/@comment-35812368-20180803181315

So to my understanding is i need to have 41cm twin gun and Mutsu or Nagato kai

to make the triple 41cm i need to use 1 more 41 twin and other resources...

but it won't allow crafting the Prototype 41cm triple in the option...

so i suspect that i need to max out the 41cm twin first?  