Actually, if Fang Ze had to temper his skin alone, he surely would have rested by now.
But he has an Awakening Ability!
As long as he could successfully temper his skin once, finding that feeling, then afterward, he could directly use his ability to break through to Skin Tempering!
So, he just needed to persevere a bit more, just a bit more!
However, he really didn't know that this perseverance would last so long.
Half an hour, one hour, two hours....
He didn't know how much time had passed; Fang Ze's sweat had soaked through his clothes, even Qing Ya's sleeves were drenched from wiping his sweat.
Fang Ze felt like both of his hands were almost no longer his own.
That feeling of muscle swelling, stretching the Skin Membrane to almost bursting, was truly too unbearable!
Actually, if it were merely unbearable, that would be okay.
Fang Ze clenched his teeth, figuring he'd risk losing an arm just to persevere once.