Lego elves the goblin kings evil dragon fly with the goblin king on the back of his mind controlled dragon ashwing as he hunts for crystals to power his portal grab blubeary the momma bear with ashwings claw as she explores the empty cave with lil blu and then have jimblin the goblin use the dynamite to blow up part of the cave and find the special crystal store the crystal in the cage on ashwings back and fly back to the goblin kings fortress