Complex sentence: He follows a few seconds later, chased by a Jaffa, who is quickly shot by the guards, but not before the Jaffa manages to fire a couple of shots and Teal'c collapses to the floor with a large wound from a staff weapon in his stomach.
Split into simpler sentences: He follows a few seconds later, chased by a Jaffa, who is quickly shot by the guards. When the pursuer is killed, Teal'c falls to the floor with a large wound from a staff weapon in his stomach.