Yep. Every would-be teacher needs a student, and every would-be beats-Eorzea's-enemies-with-a-big-axe-er needs a teacher.
The Echo and the Blessing of Light seem to be directly connected, while all Midgardsormr did was block our access to the Blessing (a block which we overcame). Patch 2.5 made it obvious that the Echo and Blessing were different (seeing as Midgardsormr blocked one but not the other), but then when Krile showed up, Alphinaud talked about them like they were the same thing - the Blessing protected her from the Ultima-like magic that destroyed Val, and thus she has the Echo.
Right now, my theory is that there's just a gradation of Hydaelyn's gift: The entire group of Hydaelyn's potentially-chosen starts with the Echo, but not everyone learns what it is or how it works, and fewer still resolve to do anything with it. Those who embrace the Echo and walk the path Hydaelyn intends are gifted with a Crystal of Light, and through that crystal Hydaelyn can channel Her power and protection. The highest tier, the rarest - not even seen every cycle of the eras, it seems - is a Warrior of Light, who is able to obtain Crystals of Light from every element and channel extraordinary empowerment and protection, though it costs Hydaelyn dearly.
Whether it be the Echo, the Blessing, or the Warrior of Light status, something in the gifts is akin to some pretty l33t h4x. If you can Game Genie your way to becoming the second concurrently living Azure Dragoon, it's not so strange that it could aid in overcoming the "inner beast". However, who's to say it's not your power alone? Something made you worthy of being chosen as a Warrior of Light. Something makes you strong enough to draw all six Crystals of Light to you. Something leads you to kick Nabriales' ass and overcome Midgardormr's barriers unaided. Maybe you are just plain old good 'nuff all on your own.