#astraea

Alright, this isn't the first time and you guys have no idea how long these kind of questions have been debated for along. It’s like Billy Batson being adopted as one of Bruce Wayne's children because this boy is an Orphan and has black hair and blue eyes, which is basically a per-requisite of being a Robin. In this case and in the same vein, most consensus that I've seen over the internet is that If Billy Batson was a demigod, he would be a Son of Zeus because of said black hair and blue eyes like Thalia, and with his most notable power is his lightning abilities from his Power of Zeus, he’s basically a demigod of Zeus. Not to mention backstory wise, this fits anyways because as an orphan background, he's also avoiding social services and child services, while on the run a few times, and in classic demigod story, that isn't unusual for young demigods to break out and live on their own (like Leo Valdez) or constantly getting in trouble due to monsters.

But for the most well known DC fans, who've seen in later series that Billy's dad is actually still alive but is stuck somewhere, Billy Batson could still be a Son of Zeus. Just entertaining the idea if his dad was mortal and his mother instead the godly parent, I can see Billy's mom being Astraea "Goddess of Justice and Innocence" for Billy's pure of Heart and Determination, which lead him to being chosen by the Wizard; Nemesis "Goddess of Balance, Retribution, Revenge, and Vengeance" for his fight to be treated and his disposition to treating everything and everyone fairly (even to Black Adam) and he's eventual path to being a hero, ; and now the reveal of Hestia? having demigods? representing Billy's eventual lead to finding his found family (but this one is the one I'm not so keen on because well, we don't know anything about Hestia's demigods).

There's also the argument that Billy could be a demigod of Mercury due to his nature as a troublemaker and his disrespect to authority and being quick on his feet.

Regardless, popular consensus is him being a son of Zeus makes more sense as it explains how Shazam keeps his having lightning powers even after he lost the original SHAZAM pantheon one time, because he has ties with lightning and thunder.

Anyways, back to the ACTUAL question: "Would he be a demigod through blessings?" Short Answer: No because Billy's powers of Shazam are merely blessings and are borrowed powers of said heroes and heroes, but not entirely his own. He’s basically like the ancient Greek hero Jason except he kept his favours from the gods. Therefore, he is not a demigod.

Long Answer:

Demigods in concept are beings of either half-divine/half-mortal, or a being that achieved divine status after death (discarding their mortal selves) or someone who has attained/promoted upon divinity. According to the Webster, demigod is (1.) a mythological being with more power than a mortal but less than a god, (2.) a person so outstanding as to seem to approach the divine.

So while Shazam may seem like a demigod, Billy Batson himself is not.

The gods and heroes bestowed a portion of their power as a gift to the Wizard, as well, who gives it to Billy, but the Wizard still exists. He can take away Billy's Gift of power and the Gods and Heroes themselves can do the same too.

Just like the Ancient Greek Hero Jason who is Hera's champion, remember, Billy Batson is the Wizard's Champion.

Jason himself won his favour by Hera, hence becoming a Champion of Hera, and he also was born to mortal parents much like Billy. However, after betraying his oath to the gods and betraying Hera's domain by being unfaithful husband to his wife Medea, Jason lost Hera's favour and being her champion. Even when Billy lost his original abilities after the New 52's Darkseid War event, even after searching for another pantheon of gods, the Wizard was still connected to Billy as Shazam and his Champion as the Mystic Lightning of Mamaragan a.k.a the Wizard.