NPCs play a very important role in Anime Card Battle, as they allow you to craft or purchase valuable items that will help you draw rare cards and defeat challenging bosses in the game. So if you want to know where these NPCs are, I recommend you to read the guide below.
There are currently over six different NPCs in the game, each with a unique role.
The Potion Shop NPC is the first character you encounter in the game. You can find this NPC on the left side of the main lobby. He sells various types of potions that you can use for a limited time to increase your stats, such as luck and speed potions. Keep in mind that you can only start buying from the NPC once you have defeated the King of Curses Boss in the raid section.
This NPC will show you all the cards in your inventory and reward you with random consumables for every five new cards you discover in the game. You can find the NPC on a swing near the Raid Mode shop in the main lobby of the server.