Mind merges into the Manifest. The Manifest merges into the Unmanifest (or Nature). The Unmanifest (or Nature) merges into Purusha (Soul) and Purusha merges into the Supreme Soul (or Brahma).
व्यक्ते मनसि संलीने व्यक्त चाव्यक्ततां गते।॥ अव्यक्ते पुरुषं याते पुंसि सर्वगतेऽपि च।