How to upgrade the card with a sword at the beginning. This time players can smoothly experience all the content of the game. To help everyone experience the game better, the editor below will show you how to upgrade the card with a sword at the beginning. I hope my friends will enjoy the game. Have fun.
Card upgrade guide:
Card upgrades do not require us to operate.
If there are enough cards with the same name in the backpack, an upgrade button will appear on the card.
We just press upgrade and it will automatically upgrade!
The above is all about how to upgrade the sword card at the beginning. If you want to know more exciting game information, please pay attention to the source code website.