One's cultivation speed was also related to one's Aptitude Color. Naturally, any descendant with a Gray or Brown Color Aptitude would be a lot slower than someone like Calina, who had a Blue Color. However, with the Imperial Family's resources and cultivation techniques, even those with poor aptitude could cultivate relatively well.
However, Tissan Sasamil didn't fall under this case. He had a Green Color Aptitude. It wasn't anything too impressive in the Capital, but definitely above the majority. Still, he was only able to reach the Energy Gathering Realm after more than twenty years. That was definitely a terrible achievement for a member of the Family. It also explained why he wasn't allowed to live in the Palace anymore.
'Alright. I'll tell Droman here, and I should be out before night when the Core City Gates close.'