Complex sentence: The Lunar Corporation is by far the most advanced of the three factions, utilizing solar power as well as antigravity vehicles (explained as a result of researching extraterrestrial technologies), and exotic weapons such as electro-cannons and sonic weapons.
Split into simpler sentences: The Lunar Corporation is by far the most advanced of the three factions, utilizing solar power as well as antigravity vehicles (explained as a result of researching extraterrestrial technologies). In combat they use exotic weapons such as electro-cannons and sonic weapons.