Complex sentence: Sigismund is portrayed as a powerful and majestic figure, but not threatening; he treats Albrecht lightly, signifying that this event was only a temporary victory, not a total, lasting domination, crushing his opponent.
Split into simpler sentences: Sigismund is portrayed as a powerful and majestic figure, but not threatening. He treats Albrecht lightly, signifying that this event was only a temporary victory, not a total, lasting domination that crushed his opponent.