Advance
Naval Battery
The natural evolution of defensive warfare has culminated in the development of intricate coastal defenses, ready to repel even the heaviest of hostile invasions.
Advance tree
It has no requires, so the game files don’t say where this goes. When the game builds the 
Reformation tree, it adds this at the end of a branch with room for it, in the same spot in every campaign.
Belongs to 1
- ReformationAge
ai_weight = {
if = {
limit = {
has_ports = yes
}
add = {
value = 50
multiply = num_of_ports
divide = num_locations
}
}
}