I found this somewhere: Wolverine can die by decapitation as stated in the Xavier Protocals. Especially since Wolverine’s healing factor is no longer what it used to be: "Wolverine’s own healing factor found its limit, death, soon after this. Thanks to a revealing battle against the angel of death, Wolverine can no longer let himself get to the point of death, or he’ll die for good. "
Has Wolverine's healing factor been downgraded?
@CaptainDoeo: Believe me, wolverine is healing and dying all over the place. Uncanny annual 10 he reconstructed (with help from a crystal) from a single drop of blood while his original body had its heart torn out. Don't read too much into it or try to be very scientific regarding his ability.
@roboadmiral: His healing factor messed with the adamantium bonding making it bond on a molecular level to his skeletal system so it doesn't hinder any movement and makes his joints super tough to rip apart considering Hulk couldn't it among other super strong people.
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