As title says, the Delhi Sultanate can research naval arrowslits for free. It’s a nice boon for the Delhi, but it does seem inconsistent/unintended (though I won’t complain if it stays around)
Doesn’t Delhi get all research for free?
Everything except weapon emplacements. Those still cost their regular amount each time they’re added.
Such an interesting bug. I wonder if that is a feature?
Thanks, all! I believe this one should be fixed at Season 3 launch.