Following Scenario: IH gets dazed, removes 10 damage for 10 energy, gets Immortal Token.
Next Round: activates, gets 4 damage healed by patch up, heals 1 damage at the end of the turn and has 0 damage
Question: does he instantly remove the immortal token at the end of this turn or just when he had 0 damge and would heal 1 damage at the end of turn?