Determined to eliminate the opposition against him in his lands, he levied high taxes on rebellious territories, which led to an attack against Lauenburg and its destruction in 1182, followed by the restoration of the fortress.
Otsustades kõrvaldada temavastase opositsiooni tema maadel, kehtestas ta mässulistel aladel kõrged maksud, mis viisid rünnakuni Lauenburgi vastu ja selle purustamiseni aastal 1182, millele järgnes kindluse taastamine.