Complex sentence: Morgana plots to reveal Lancelot and Lady Guinevere's affair to the world, thus overthrowing Arthur and seizing power; early during the course of the game, Gawain discovers her plan and warns the king.
Split into simpler sentences: Morgana plots to reveal Lancelot and Lady Guinevere's affair to the world, thus overthrowing Arthur and seizing power. Early during the course of the game, Gawain discovers her plan and warns the king.