SPOILER..
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.That's not a 2nd shadow sovereign. That is the original shadow sovereign that inhabited Jin Woo's body. That is why the architect is calling Jin Woo the King. The original Dhadow Sovereign was planning to overtake Jin Woo's body, but then decided not to, and completely entrusted his full power to Jin Woo, so Jin Woo gets even more OP. His abilities will no longer have limits and will no longer be under the architect's control.
Thats so friggin Cool. Ghos. Now I am super hyped for the future chapters.
ε=ε=(ノ≧∇≦)ノ
Thank u for trying to help me out but I want to be surprised later that on~~
OMFG- COOL!
Are you serious?! SHIT NOW IM EVEN MORE HYPE
AYO ARE THOSE ANGELS???? Damn hella excited what this means cause there is a 2nd shadow sovereign???!!?!!