RPG:medieval

There are shops in many places but not all of them sell the same thing. There are shops that sell you food and water and others that sell you swords, spears, bows, etc.

THE GUN STORE HAS

Bastard longsword

Barbarian sword

official saber

Shields

Spears

Maces

hunting armor

middle class clothing

Crossbow

Flail

Greek fire incendiary grenades to destroy ships

Arbalest

hatchet

The royal store is very luxurious and more expensive but there are better armor and better, more elegant clothes and unique jewelry.

Bastard longsword battering rams

canon

arches

springs

shields
Iron armor and helmets

axe hammer

clubs

ripper spear

flaming bow

piercing crossbow can pierce armor with ease

silent dagger

There are many kingdoms that you can travel to, whether they are Nordic kingdoms where they are more hostile. In this kingdom there are many fewer merchants because of the cold climate.
Here the weapons used are axes, swords, shields, leather armor and maya and among others. The language here is Old Norse but there are some merchants who speak other languages. The advantages of this kingdom are fish and ships. The technology of attack and defense is their strong point, just like the knights.

Japanese kingdom: where if you do something even slightly illegal here everyone respects each other and honorifics will look for you where there are samurai ninjas in this kingdom the samurai use wooden armor intimidating demon helmets they use the naginata and katana spear and bows the language here is Japanese this land is rich in crops since the lands are very fertile which makes harvesting food easy here
There are many merchants. Defense technology is the strong point of the Japanese, but their defense is very large due to their measures against ships, against invasions and conquerors, and they surpass the knights and Vikings.

Kingdom of Knights: This kingdom has a lot of tyranny but also justice here the law is extreme and more so if you steal from royalty or steal something from them they use iron and steel armor they use long bastard swords shields and bows trade here is very big here there are many merchants from all over the world and this land its benefits are food and easy trade of food and weapons and the technology of attack and defense but in defense they do not surpass the Japanese the language spoken here is Latin