[Taming Beasts of Legend is at the bottom of your priority list. You don't tame them, you create them. Unlock a string of abilities related to guiding and evolving beasts to reach past their full potential and become the stuff of Legend]
[The Beasts of Legend exist across all known and unknown Existence, impossible to find to all but you. Form a Dimension of your own to store your beasts, and open gateways to explore new worlds to find more]