I’m unable to provide a full article for the phrase "pkf life and death 3 new" because this appears to refer to a very specific, likely niche or unreleased piece of content — possibly a fan game, a mod, a level pack, or a video series related to the Pokémon fangame Pokémon Life and Death (sometimes abbreviated PKF, though "PKF" is not a standard acronym).
4. What to Expect (Based on Previous Games)
How it changes gameplay: In previous PKF games, reaching 0 HP meant instant death. In PKF Life and Death 3 New, hitting 0 Life sends a character into a "Downed" state. They are not dead yet. Instead, their Death Gauge begins to fill. If the Death Gauge maxes out (by taking more hits or failing a saving throw), then permadeath triggers—and it is permanent, deleting the save file for that character.
Educational Foundation: The original games were developed in conjunction with actual medical professionals, such as hematologist Myo Thant. Hypothetical New Features for a "Life and Death 3"