soldier in combat pose, futuristic armor, plasma rifle, alien enemies, Sectoid, Muton, Chryssalid, urban battlefield, destroyed buildings, cover system, tactical overlay, squad-based tactics, intense firefight, smoke effects, dynamic lighting, night vision, close-up on weapon details, action-packed, science fiction, strategic positioning, high-tech gadgets, energy shields, bullet casings flying, explosive effects, dramatic shadows, 3/4 view, cinematic angle, adrenaline rush, advanced alien technology, Skyranger dropship, resistance fighters, covert operations, guerilla warfare, extraterrestrial conflict.