I played through Ys Books I & II on the Turbografx-CD back in the day and thoroughly enjoyed it. The story worked well and the action was constant, even though the game design was extremely linear compared to today's approach.
The one thing I never liked about Ys was the "collide to attack" mechanic -- it worked acceptably in 2-D (much better than in the SNES Ys-inspired RPG Lagoon) but I think it would be completely unworkable in full 3-D. You'd have to go with a different type of combat to make it work, or carefully restrict the camera and movement to a 2-D style of movement. Maybe that's what's going on in the screenshots you provided, it's hard to tell.







