Zenless Zone Zero has officially revealed the signature W-Engine for new S-Rank character Astra Yao, set to release during Version 1.5. The newest S-Rank character coming to the HoYoverse urban action RPG has seen plenty of hype ahead of her long-awaited release, being teased both in-game and through social media. HoYoverse has featured multiple trailers for Astra Yao alongside her appearance in a short segment of Version 1.4, as well as a social media campaign with Astra Yao receiving her own Twitter account. Now, Astra Yao's signature W-Engine has officially been revealed.