Complex sentence: Galdran covets the Tlanth lands for his cruel cousin, Baron Nenthar Debegri, and also seeks to break the Covenant--an ancient pact between humans and the Hill Folk--by resuming the cutting down of their valuable "colorwoods".
Split into simpler sentences: Galdran covets the Tlanth lands for his cruel cousin, Baron Nenthar Debegri. Galdran also seeks to break the ancient Covenant--an ancient pact with the Hill Folk--by resuming the cutting down of their valuable "colorwoods".