Though awakened by the twenty-sixth which is Pure Intelligence, Individual Soul still becomes subject to Ignorance. This is the cause of Jiva's multifariousness as explanied in the Shrutis and the Sankhya scriptures.
षड्विंशेन प्रबुद्धेन बुध्यमानोऽप्यबुद्धिमान्। एतन्नानात्वमित्युक्तं सांख्यश्रुतिनिदर्शनात्॥