'If the final boss could be just deleted like the last two instances.'
Taking inspiration from his first two adventures, Leo wished he could just defeat the final threat like he always did, but the means to do so had always been lacking.
In comparison to the earlier instances, it was undeniably advantageous that he didn't have to start from scratch, but that only helped boost plan A's chances of success.
While it required some planning to pull everything off, almost every battle that Leo had to this moment had been very smooth sailing thanks to that advantage. However…
'It doesn't matter where you start if the ceiling is too short.'
It was true that Arthur and Baekho had to start from the bottom, but the early gap is something that was always meant to be bridged quickly for the protagonist's convenience.
Of course, the gap wasn't the same, but each circumstance had its own advantage.