Over 300 spells, like Baldur's Gate 2. More creature variety, like Baldur's Gate 2. More than the planned 8(??) NPCs, like Baldur's Gate 2 (18+). Atmospheric effects (rain/weather), day/night, like Baldur's Gate 2.
It just reminded me of the bowl of goat's milk that old Winthrop used to put outside his door every evening for the dust demons. He said the dust demons could never resist goat's milk, and that they would always drink themselves into a stupor and then be too tired to enter his room..