Yes, a video creator says they beat Wuthering Waves using only 4-star characters. That supports a limited conclusion: a 4-star-only run is possible, but the description does not establish that every challenge can be cleared that way.
What the 4-star-only run shows
The source describes one run using only 4-star characters. It does not specify which characters, what content the run covered, or the conditions and investment involved. So use it as an example of a possible restriction run, not as proof that a particular team or build will work for your account.
If you want to try the challenge, set your goal around the content you want to clear and test your available 4-star roster against it. The supplied information does not identify a team composition or strategy to copy.
Free Wuthering Waves Codes
Current active codes and how to redeem them.
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Player Comments
133 players commented on this guide.
The explanation is clear, especially for beginners.
Nice guide. I am checking the other Wuthering Waves articles next.
I tried this today and it worked better than my old setup.
This helped me understand heroes much better.