Complex sentence: Jack honors his promise and frees Diaboltin from his bottle, the leprechaun using his boots to return to Ireland while giving Jack and his friends a lead for their triumphant return back to Cornwall.
Split into simpler sentences: Jack honors his promise and frees Diaboltin from his bottle. The leprechaun uses his boots to return to Ireland while giving Jack and his friends a lead for their triumphant return back to Cornwall.