In the end, Chris Bishop and Erica Stanford didn't even survive to a final vote.
Luxon has survived, Penk is gone, and National is reeling after a week of political chaos that's threatened to reshape New Zealand's election.
OPINION: The PM has called a caucus meeting to discuss his leadership on Wednesday.
OPINION: The Prime Minister has twice fought off attempts on his leadership.
The two MPs have taken different approaches to being linked to the leadership challenge.