The Chalice is a phenomena in the world of Seikoku no Dragonar.
What the Chalice specifically is has yet to be revealed. All that is known is that all possessors of it have great talent as Breeders, and the two known to possess it can both ride any Dragon they chose.
- The only known Chalice holders are both from the same family.
- The Chalice is also a reference to the Holy Grail.