Essa é uma boa pergunta. (E eu concordo com sua decisão improvisada, já que qualquer decisão tomada rapidamente é melhor do que aquela que interrompe o fluxo do jogo.)
Vamos começar com algumas definições:
Not Real Hit Points: Temporary hit points aren’t real hit points. They’re a layer of insulation that attacks have to get through before they start doing damage to you. Don’t add temporary hit points to your current hit points (if your current hit points are 0, you still have 0 when you receive temporary hit points). Keep track of them as a separate pool of hit points.
Dying: When your hit points drop to 0 or fewer, you fall unconscious and are dying. Any additional damage you take continues to reduce your current hit point total until your character dies.
Regain Hit Points: When you are dying and receive healing, you go to 0 hit points and then regain hit points from the healing effect. If the healing effect requires you to spend a healing surge but you have none left, you are restored to 1 hit point.
Assim, porque os pontos de vida temporários não contam como "cura", o personagem que estava morrendo permaneceria com 0 pontos de vida, inconsciente, e deveria continuar fazendo testes de resistência à morte. No entanto, os pontos de vida temporários protegem contra Coup De Graces e outra agressão DM.