"This is my Second Oath as the Oathkeeper."
Alex knew that the Oathkeeper was no ordinary Job Class.
Dim Dim had explained to him that it was a Profession that made one stronger by making an Oath.
With every Oath he upheld, Alex would become stronger. That was the so-called shortcut for bringing out the Job Class's full potential.
But this was just a shortcut, not a miracle.
Making an Oath was a very serious thing. Alex couldn't just spam random, trivial Oaths to become strong.
It must be an Oath that the world would recognize.
His First Oath was to help Charles Lambert clear the Dungeon of Beginnings.
It was a feat that was deemed impossible by nearly all the players of ELO.
He could have turned away.
He could have forgotten.
Yet, he decided to defy the fate that was meant for Charles because he believed that this wasn't the ending that he deserved.
If Alex had survived the Dungeon of Beginnings without Charles, his Oath would have been broken.