 Crux Prime was the largest of the planetary fragments created in Crux's explosion.Here can you meet many enemies you have met before but in stronger form along with bosses of all varieties (such as Stromling Invaders), and also a myriad of Ninjago Skeletons, straight from the Ninjago Monastery, attempting to mine Maelstrom Crystals.There are only 7 characters that the player can interact with in Crux Prime.