We know, that if a human makes the Shinigami eye deal, he will lose half of his remaining lifespan. But, let's say Light made the shinigami deal. He might have killed L earlier, thus prolonging his life again. So here is my questions:

Would Light have lived longer, if he would have had the Shinigami eyes?

  • 3
    While I like the question, I voted for closure based on being primarily opinion-based. I don't think clear evidence could be provided for this question. Since I'm quite new to this moderating stuff, forgive me if I was wrong in doing so. Commented Jul 30, 2014 at 21:57
  • I don't agree that this is opinion based. Sure, it's hypothetical, but that isn't the same thing. Some hypothetical answers are nonetheless answerable with in-universe facts, e.g. anime.stackexchange.com/questions/11535/…. Others (perhaps like this one) have no in-universe answer. In the context of this site, the correct answer is simply to state that there's no way we can know for sure because it wasn't explained. Closing as opinion-based is for questions which are actively seeking opinions, not simply hypothetical ones.
    – Logan M
    Commented Jul 31, 2014 at 6:23
  • @LoganM even with the information given on the manga there is no way to deduce a right answer out of this, what the OP proposes is already hypothetical, hence people will give him what they think that would happen and again the OP will pick the answer he likes the most or feels its the closest to his own opinion. There is no definitive information on the manga that would with 100% certain say Light would have his life prolonged or even shortened.
    – Prix
    Commented Jul 31, 2014 at 6:31
  • @Prix Read what I said again, I already addressed your complaint.
    – Logan M
    Commented Jul 31, 2014 at 6:36

2 Answers 2


Hypothetically speaking(since that is what it means to give Light the shinigami eyes at an early stage), if you give Light the shinigami eyes, the early he could have killed L, was when they were frequenting the same school/university and at that point L was already highly suspicious of Light to the point of tracking him.

If L were to die there regardless of how, it would trigger L's successors to come in with all the already collected information which again would be focused towards Light with the prediction of not to expose yourself to Light.

There is the fact pointed that Light could not kill without knowing one's name based on L's experiment, but would that be suffice for them to cease investigations at such an early stage which not even L ceased him self?

  • The thing is Light put everything Mika did into play as the long con, which means he wouldn't have exposed himself like that to L if he had other cards to play. Lets assume the eyes had no risk to his life. He would have definitely used it without using risky factors like Mika, Takada and Mikami where he was taking risks that they will react and move the way he had planned for them to. L only knew as much as he did about the death note due to his study of Mika.
    – Quikstryke
    Commented Jul 30, 2014 at 18:33
  • @Quikstryke from the moment the Shinigami met Light he already knew his lifespan was short, that is probably why he offered the Eyes to make things more interesting. Unless Shinigami eye's cannot predict turn of events which I doubt.
    – Prix
    Commented Jul 30, 2014 at 18:35
  • There is no proof he knew his life span was short. Ryuk never alluded to this in the manga/anime so that would be speculation. Also they cannot predict events which was the whole reason Ryuk did what he did as that was his entertainment. He wanted to see how far light can go. He also tells light he just randomly dropped the book, he didn't know who was going to pick it up.
    – Quikstryke
    Commented Jul 30, 2014 at 18:41
  • @Quikstryke not Ryuk predicting future but the calculation of the lifespan and Light was pretty much identified before he could have facial information of L to assimilate with which at that point would be meaningless giving the successors available.
    – Prix
    Commented Jul 30, 2014 at 18:43
  • Light was identified as a potential suspect without any evidence. When L first met him he was under the impression the only way he can die is if light had a name so for him to meet light then die right away when light according to L didnt know his name, would have proved that light was innocent in the eyes of the other investigators. They would moved on in the investigation. Furthermore Light could kill by other means than a heart attack. He could have ensured L got depressed or went insane before dieing casting doubt on the validity of his investigation.
    – Quikstryke
    Commented Jul 30, 2014 at 19:03

Well assuming Light had a long life ahead of him (no health issues) the answer is an obvious yes knowing the chain of events we know.

You're probably asking if Near/Mello would have caught him anyway, but it was already established Near only won due to the combined help he got from L's investigation and Mello's actions. Light was the better intellect (plus in your scenario he has his eyes).

But of course no way for Light to know this and he assumed he can beat anything that gets thrown at him. Probably rightfully so, as the Mikami zealousness/sloppiness caused the downfall at the end, not Light's plan.

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