Douyu Name Change Card can be directly redeemed with 10,000 fishballs.
Using the name change card to change your nickname will not consume the fish fins in your account.
The prop of the name change card will rise with the number of times it is redeemed, and so will the fishballs needed to redeem it. The first time you redeem it, you only need 10,000 fishballs, the second time you need 50,000 fishballs, and the third time you redeem it and beyond, you need 100,000 fishballs.
Expanded:
Players who don't have enough fishballs to change their nicknames can also do so by recharging their fish fins. make nickname changes.
The first time you change your name, you need 1 shark fin ($1), the second time you change your name you need 10 shark fins ($10), the third time you change your name you need 50 shark fins ($50), and every time you change your name after that you need 500 shark fins ($500).
When you want to use the shark fins, you can just recharge them directly, and you can use them as you go.