Aren't we technically learning an offshoot of their foundations. It's more apparent when you pick Eldra as your mentor and she states that she's only gifting you a fraction of her power so I think it's a nice tradeoff tbh. Being able to choose one skill that you prioritize more than the rest with the opportunity to learn their ultimate skill much later down the line. I kind of disagree with kaito though. Being able to have a beast as a battle companion and false spirit summoning from Zhao Yang are both equal in my eyes since they can both act as supports in fights. Two of kaito's skills are actually pretty good and his techniques obviously have high synergy with midorikatai. I do agree with Harmony being the overall best but the other two are just as capable. I think anon tries to balance everything out so one side isn't as lopsided compared to the rest. There's only one thing I'm wondering with Eldra and dragons nest you can learn;since you passively gain AP will the AP you gain from it be uniform in value or go up or down depending on certain conditions.
I think Eldra is supposed to be a special case, being a Jade Dragon and all. Which is why it's an offshoot.
Kaito explains that the training we're doing to get his foundation, is more or less exactly what he had to do as well, so it's not anything like Eldra's.
To me the beast is just inferior because if it dies then it's over right there and then, meanwhile you can always reform your Summons.
I would rather not get the ultimate in exchange for getting all the other stuff from the foundation.
Regardless as an ultimate it's just so "meh". If I wanted a pet I'd choose the Trapper background, or gone Mido I guess.
Also I just remembered that Kuro can just straight up Summon the Lightbringer now.