Complex sentence: After a run-in with a venomous snake the next morning, Joe reaches the Fortress that night and fires a stun grenade through an open window, incapacitating Raoul, who is observing the interrogation room from a video monitor.
Split into simpler sentences: After a run-in with a venomous snake the next morning, Joe reaches the Fortress by nightfall. He fires a stun grenade through an open window to incapacitate Raoul, who is manning a video monitor.