Type 1:
Type 1: Immortality through longevity
Longevity grants the user the ability to live indefinitely and the inability to die of old age, illness, or natural causes, but does not prevent death through means such as being stabbed.
Type 2:
Spiritual immortality
Spiritual Immortality is where the user can be killed (also depends on durability for usefulness in combat), but they can recreate a new body in their spirit form.
Type 3:
Immortality through regeneration
Where the user can be maimed, blown to peices, reduced to a pool of blood and still regenerate from death. Normally only higher types of regeneration qualify for this level of immortality.
Type 4:
Immortality through godhood or protection via deity
This type of immortality is granted by a god or by sheer virtue of godhood.
Type 5:
Perfect Immortality
Cannot die by any means whatsoever. Normally only omnipotents and high tier cosmic beings fit this category.
Type 6
Parasitic Immortality
Can be physically destroyed but can live on by latching onto another body for survival.
Immortality is the term given to people who won't die naturally. It is a common power for supernatural beings such as Gods, vampire, werewolves, etc. Other causes can be cosmic powers, mutation, etc. There as several types of immortality, each varying in usefulness.
Type 4: Immortality through godhood or protection via deity
This type of immortality is granted by a god or by sheer virtue of godhood.
Type 5: Perfect Immortality
Cannot die by any means whatsoever. Normally only omnipotents and high tier cosmic beings fit this category.
Type 6: Parasitic Immortality
Can be physically destroyed but can live on by latching onto another body for survival.