First impression

 Inside the carriage, Isekai got nothing to do so tried meeting Zhang fei fei as he closed his eyes. 

 "so how is it? Zhang fei fei asked on seeing Isekai.

  "i understand that my power is locked out and that i should kill more to unlock it but i don't understand why i am totally leaving another persons life, explain to me little fei. 

 Hearing this, Zhang fei fei seems not surprised.

 "there are laws and rules in everything whether on earth or in this world and one can't go above the law, though i twisted a lot of laws but some law can never be twisted, it is a law that anything once in a human body can't pass certain pinnacle or can't attain certain pinnacle that they are in once they are in human body, your memory as a death god being blurred out only means that the memory goes against the law of this world or to be precise the memory doesn't fit or shouldn't exist in this world and also about it seeming like you