Each of Elden Ring's demigods is exceedingly powerful but if you asked a player which demigod they thought was the strongest, they'd probably point to Malenia or Starscourge Radahn. After all, the battle between these two at Caelid was so intense that it caused the entire land to become ravaged by Scarlet Rot, the subject of a famous Elden Ring trailer.
However, one of the demigods usually absent from the conversation despite evidence of his immense power is Morgott, the Omen King. Morgott is the direct offspring of Queen Marika and Godfrey, the first Elden Lord. There's certainly an argument to be made that Morgott's blood is 'purer' (omen status aside) than that of Radahn, the spawn of Radagon and Renalla, and Miquella, who was born of Marika and Radagon.
This subject re-emerged in a recent Reddit thread where Radahn was called a "fraud" because of his defeat at the hands of Morgott in the opening cinematic of Elden Ring. A lot of the commenters quickly pointed out that Radahn isn't pretending to be powerful, it's just that Morgott is possibly even stronger than Radahn.
In the still image during the opening, we Morgott standing over a downed Radahn,...