Topic: What is "immortality type 1"?

I came across the immortality type 1 tag while searching for immortality. It has no wiki description and very few tagged posts (among which I cannot find a commonality). Does anyone know what it's supposed to be referring to?

All six instances are by the same user a year ago, it's not something that people can be expected to know by looking, and the definitions listed at https://vsbattles.fandom.com/wiki/Immortality aren't particularly important to us. Sounds like cleanup material.

Ah, that answers the question. Thank you.

I think tags for different types of immortality might have valid use (resurrective immortality, in particular, is pretty different from the others), but given how few posts are tagged with immortality in the first place and how it's almost always TWYK, I agree these are probably better off depopulated.