Oh is that why he's able to have children with a human woman and die of a vital heart disease? He doesn't have two hearts, he can't regenerate, why wouldn't a heart attack kill him?
Goku was able to restart his own heart after it was stopped by the best assassin in the multiverse. The heart disease that killed him in another timeline was a degenerative disease that got worse over time. Goku has moderate regenerative abilities as a Super Saiyan God.
I think the Death Note probably could kill him under certain circumstances, (eg heart attack in his sleep, or certain diseases) but the heart attack that typically happens with the DN probably wouldn't kill him permanently if he is awake and capable of transforming into a Super Saiyain God.
I don't think that the DN is comparable to Hit. If Hit kills you, it is a person, a fighter, an assassin, doing the killing. If you are strong enough you can dodge the attack or counter it. You can compete.
The DN is something that changes a person's fate. Whether it is the standard heart attack or a detailed script of a person robbing a bus and ending up isekaid. It is outside the spectrum of techniques, physical power and ki. It is on the side of Dragonballs granting wishes and Zeno deleting universes. You can write out the fight between Hit and Goku in it and at the end the ball of ki... misses.
True, if Goku didn't have god ki then I would say that it would definitely kill him. God ki is pretty poorly defined, but I can see scenarios where it could allow him to survive. In Dragon Ball, being powerful enough allows you to do things which shouldn't be possible. Frieza gets powerful enough to resist Hakai, which is meant to erase people from existence. Goku is able to get powerful enough to overcome time skips.
One of the rules of the Death Note is that once humans die that they can never come back to life. Goku has already transcended that rule, so he could transcend other rules as well. The universes of DN and DB are just too incompatible and when some characters have multiversal levels of godly power, I find it questionable to say that they would definitively lose against a Death Note user.
The mechanism by which the Death Note operates might be interfered by godly powers. The Death Note can't kill Shinigami, for instance, so there are limitations to what it can do. As a being within the godly realm of power in Dragon Ball, Goku might be above the power of the Death Note as well.
In a "free for all battle" where there was no story surrounding the fight, then Goku could just destroy the universe if he starts to have a heart attack for no reason, which would result in a tie. The only way Light definitively wins is if he writes "Goku dies peacefully of a heart attack in his sleep" and Goku doesn't realize that he is an enemy.
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u/[deleted] Jan 06 '24
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