When the family returned, it just so happened to be the day of Emperor Yong'an's Sovereignty Ceremony, which was on the first day of January.
After resting for a night to fully recharge, Lu Yao sat in the pavilion and took out the second "Star Key" he had found in the ruins to examine.
This thing looked like an ordinary metal ornament, and no matter how he tried, conventional methods elicited no response.
Let's not forget, its "brother" had been in the Star Alliance Military Base for countless years. If its secrets were so easy to discover, it wouldn't have been left for Lu Yao to find.
"It seems that, like the one given to me by Zhang Xin, I'll have to try using radioactive material."
Lu Yao made up his mind to make a trip back to Blue Star, prioritizing this matter.
He also planned to download the "Small Seal Script Chinese Character Reference Sheet" from the internet to decipher the text in the ruins.