Both dealing with magic/supernatural and past lives
Both have stories about ancient kingdoms
Both involve 'true love' story
DJNM has more romantic scenes. KS has less but those scenes are heart fluttering because the leads have amazing chemistry
KS has better action and the mystery is more elaborate (oc the romance is still so good)

Both dramas have FL with supernatural power and ML as police
Both have leads with good chemistry
Both involve with crime investigation. But MSP has more story on the supernatural part
MSB has more romantic scene but MSP has better plot