Yo friends, I need help clarifying the difference between two, so if I have it right:

The Echo
- Let’s you see into someone/something’s past (can be controlled apparently)
- Resist primal/corrupting influence (or impose your own influence in the case of resonant)
- A Universal translator
- Some users have unique ability

The Blessing of Light
- Resist primal/corrupting influence
- An affinity toward light? (Although there’s a limit, we can absorb a good bit of light has shown in ShB)
- Be empowered by Haedelyn?

If I have the right of it there, then here’s my real question: With all the Ancients pretty much gone now will there be any new users of the Echo? I mean without Haedelyn I think the Blessing of Light is done after us. In the first Elitibus unlocked it for a lot of people in the crystarium, and as we learned in Elpis, it’s apparently something anyone can use. So is some scholar gonna unlock the secrets to learning it? Or is it still gonna be something unlocked at random? I’d love to know what you all think.