Complex sentence: Later on after being tricked into getting fake pitchers, Lupin and his partners Jigen and Goemon, end up in the city of Goldengasse, which had an old castle where the pitchers are to be shown off to the public.
Split into simpler sentences: Later on after being tricked into getting fake Pitchers, Lupin and his partners Jigen, and Goemon, end up in the city of Golden Gasse. Which had an old Castle were the Pitchers are to be shown off to the public.