What is the longest/largest DRPG to beat.

I were curious, which game in genre is the longest and largest. I'm aware of Demise, which is loooong and very grindy. Labyrinth of Touhou 2 is pretty long because it have a large expansion. Wizardry 8 doesn't count that much for me because it mostly because animations are slow as hell.

Is there any other contenders to the list?