(Tier 27) Legendary Dragon Kings

Lore
"These three dragons have reached the pinnacle of wisdom, valor, and awareness, and become legendary rulers of dragonkind."

Acquisition

 * Evolve 23 Legendary Dragon Kings to get (Tier 23) Legendary Dragon Kings.
 * Evolve (Tier 23) Legendary Dragon Kings with 4 Youthful Dragon Trio.

Name origin
?

Additional Info
More stages of the Legendary Dragon Kings are planned.