the goldenblood heir (book 5): a portal progression fantasy series

The next book of the series! The Goldenblood Heir (Book 6): https: //www.amazon.com/dp/B0CVMWWNCZ

The Treasury of Amaterasu was inaccessible even to the Goddess’ own descendants, but it opened for me. But what will I find inside? Did Amaterasu leave something in there for me, as a sign from our past? And if so, what could it be? A message? A warning? The truth? Or perhaps some kind of artifact?