From the bug board:

>GROUPMATE is incapacitated and will slowly die, if not
>aided.
>A boy is convulsing on the ground.
>
>100% 100% 98% 5919(7.52%) 9 PM > rescue GROUPMATE
>That person is not fighting right now.
>A boy is convulsing on the ground.
>
>
>
>And they die next round to the boy killing them. Shouldn't I
>be able to have the chance to rescue or step in?
>
>Nope. Once you've gone under...you are no longer in combat, and >nobody but a healer can rescue you by bringing you back above 0 hp.


How about make this a perk for Vanguard's Desire? Auto-rescue your groupmate when this happens. It would make this a slightly useful legacy at least.