Complex sentence: As the film ends and with his revenge on Fitzgerald complete, Glass walks away from the river bank before collapsing and suffers from a final hallucination of his deceased wife, who similes at him before disappearing into the woods.
Split into simpler sentences: As the film ends and with his revenge on Fitzgerald complete, Glass walks away from the river bank before collapsing. He experiences a final hallucination of his wife, who smiles at him before disappearing into the woods.