
The upcoming donghua series “World of Sphira” also known as “Mercenary World” or Yong Bin Tian Xia, is set to deliver an exciting blend of action, fantasy, and adventure. The animation is adapted from the novel of the same name, written by Shuo Bu De, This highly anticipated project was recently unveiled during the iQIYI Animation World Conference 2025.
Along with the announcement, the studio also released an official poster and offered a brief glimpse of what audiences should expect from this new series. Let’s dig deeper and look at all the details that have been revealed so far.

Three unknown mercenaries were involved in a great war spanning the three realms of humans, dragons, and gods, and wrote an unparalleled legend through the ages with their unyielding spirit.
Source: Google Transalate
The novel describes a great war spanning multiple continents and more than a dozen countries from the perspective of three small mercenaries, and the war even spread to the realm of gods.
Production And Studio
According to the official statement, the animation “World of Sphira” or 佣兵天下 is being produced by iQIYI Animation with the Popular animation studio – Sparkly Key Animation Studio.

Some popular donghua series produced by the Sparkly Key Animation Studio are listed below:
- Soul Land Season 1&2
- Tales of Herding God Season 1&2
- Swallowed Star Season all season
- Soul Land 2 : The Peerless Tang Clan
- Wu Geng Ji
- Big Brother
All these listed projects have earned widespread acclaim for their exceptional world-building, compelling characters, and richly woven stories. By looking at this strong track record, it’s natural to assume that this upcoming donghua will maintain, if not surpass, those high standards.

With a talented creative team and a well-loved source material, hopes are high that this new series will deliver an immersive experience, appealing to both old fans and new viewers alike. As the excitement continues to grow, it will be interesting to see how the story unfolds when it finally hits the screen.

World of Sphira Release Date
According to Douban’s upcoming animation list, the highly anticipated animation “World of Sphira” or “Mercenary World”, is currently scheduled to be released in 2027. However, it is important to note that official confirmation about the exact release date is still pending from the animation studio. While fans are eagerly awaiting this new project, the final launch schedule will ultimately depend on the studio’s production timeline and internal decision.
As the project continues to generate excitement, we can expect more updates and promotional material to surface in the coming months. Follow us and stay tuned for the official announcement.
World of Sphira official Trailer
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