Kieran didn't bother to keep track of time as he tried to inspect himself along the way. He knew that was fully awakened, he must have grown stronger, but he had an inkling that this abnormal jump in strength had something to do with the Lost Origins first stage which he had just completed.
He wasn't completely sure due to the different circumstances from before, but back then after he successfully merged with his mental model, he had noticed a significant boost in his basic stats, but more than that, the best thing he gained from the first stage, was the understanding of his body.
After the merge, his understanding of his body had almost gotten to a point where he could call it perfect.
The implications of this? He was able to exert nearly all the power his body held, in a single strike.