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What is X-Infernus?
X-Infernus is a four-issue comic book mini-series that started in December 2008. Written by C. B. Cebulski, with art by Giuseppe Camuncoli
What was the 2008 miniseries X-Infernus about?
In the 2008 miniseries, X-Infernus, Pixie summoned her Souldagger and stabbed Kurt in the chest, knocking him out. When Pixie removed her Souldagger, Magik's Soulsword emerged from his chest
What happens next, in the 2008 miniseries X-Infernus, after Magik teleported away after taking out Pixie, Mercury, Rockslide, and Beast?
In the 2008 miniseries X-Infernus, Kurt woke up and stopped Pixie from going after Magik, and Pixie broke down and apologized for stabbing him

Question: Why did he stop pixie?
Self-contained rewrite: Why did Kurt stop Pixie from going after Magik in the 2008 miniseries, X-Infernus?