To bring light to what we already explained, there is a difference between [souls at the level of] Asiyah, and the other three worlds (which have another way of functioning). And this is, know, that only with regard to Asyah it is this way (that a Nefesh needs to rise to Keter of Asiyah). Because someone who has his soul source at the level of Malchut of Asiyah [specifically], through the rectification of his actions, and from the merit of his Nefesh moving level after level, until it reaches to Keter of Asiyah -- it is completed and it literally rises until that level.
However, even though it rose until Keter of Asiyah, his soul source isn't anything other than the level of Malchut [of Asiyah]. However, it is required to merit until it reaches literally Keter of Asiyah, even though we are only calling it still at the level of Malchut of Keter of Asiyah. Similarly too with the other levels of Asiyah, because we are only calling it Malchut of the level that [its source] is at....