I'm making the item, equipment and magic system for my game, and man... how boring it is to register each item, magic or equipment with name, damage, effect, description and so on. Unfortunately there is no escape, it is necessary to do it one by one, and there won't even be that much to register, but for those who are immediatist and want to move on to the other parts of the development, the anxiety appears like a punch in our face.

I hear ya.  When I was building an inventory setup for my low kb rpg, I had to be careful in ensuring that each byte spent counted for something.  I ended up on settling on 16 bytes per item: 8 for the name, 8 for details, like cost, damage, etc.   For most equipment I ended up settling on a progression setup where each piece was more beneficial than the last, but the cost went up considerably.  Since I allocated one byte for cost, the number was multiplied by 25 to give me a max. price of 6375 for an item, so my chest and enemy gold drops reflect that max.   If anything costs 0, it's a special item and it gets special treatment like, "It can't be sold or dropped".