Immortal. The dragon ages, but it cannot die from old age.   Intergalactic. In outer space, the dragon can survive in the void and fly at incredible speed. Travel times vary, but a trip within a single solar system should take 3d20 hours, and a trip beyond should take 3d20 days or more if the dragon knows the way to its destination. The dragon can carry one rider of one size category smaller than itself, four passengers two sizes smaller, eight passengers three sizes smaller, or 16 passengers four or more sizes smaller. Passengers are protected from the void of outer space.   Read the Threads. The dragon has advantage on initiative rolls. Additionally, if the dragon is surprised at the beginning of combat and isn’t incapacitated, it can act normally on its first turn.