did a ddg search for "reflection castle", found this YT video:
https://www.youtube.com/watch?v=CXpMfUEQQn0
Did my best to find the castle in the picture, but failed.
The YT channel name is "Sei-Kai L"
A search for that led me to the attached pics (upload links sry slow conn):
>https://anonfile.com/b8j4JeU7m3/Great_General_-Kingdom_Wiki-FANDOM_powered_by_Wikia-_kingdom.fandom.com_png
>https://anonfile.com/W6jfJ7U5m8/Sei_Kai_Army_-Kingdom_Wiki-FANDOM_powered_by_Wikia-_kingdom.fandom.com_png
>https://anonfile.com/A6keJfU2m3/Sei_Kai_-Kingdom_Wiki-FANDOM_powered_by_Wikia-_kingdom.fandom.com_png
>Sei Kai was a Great General from the State of
>Han. During the coalition war against Qin, he was
>the commander-in-chief of the 50,000 men army.
>https://kingdom.fandom.com/wiki/Sei_Kai
>https://kingdom.fandom.com/wiki/Sei_Kai_Army
>https://kingdom.fandom.com/wiki/Great_General
this video weirdly fits with what I found
hoping this helps some more inspired anons out with the decode