Complex sentence: In "Doom", "Doom II", and "Final Doom", Doomguy expresses little emotion at the horror unfolding around him, maintaining a stern and alert glare, his eyes constantly darting left and right.
Split into simpler sentences: In "Doom", "Doom II", and "Final Doom", he expresses little emotion at the horror unfolding around him. His typical expression is a stern and alert glare, his eyes constantly darting left and right.