Talk:Construction/@comment-28908381-20160728184118/@comment-27662847-20160731064841

Expedition 2 / 21 / 6, by far is the best for me to spam (thx to androidcolle).

If you lazy to wait each hour, unlock 37 & 38, but required some effort till those 2 unlocked.

OT : Farming ships like Haruna - Nagato tier in event is the most cheapest way than construction, if you count other benefit