Complex sentence: Wong then reveals to Uncle the spell that turns Shendu to stone in order to get revenge against Shendu for his betrayal, the spell he told him was the same spell Lo Pei used to turn Shendu into a statue.
Split into simpler sentences: Wong then reveals to Uncle the spell that turns Shendu to stone in order to get revenge against Shendu for his betrayal. The spell he told him was the same spell Lo Pei used to turn Shendu into a statue.