For me it would be something like this:
Dark Souls 1 - Demon Souls (Yeah both on the same spot.)
Dark Souls 3
Dark Souls 2
I'm at the halfway point and I clocked in 16 hours. It looks like the shortest Souls game yet. It's also the easiest (so far).
"I've Underestimated the Horse Power from Mario Kart 8, I'll Never Doubt the WiiU's Engine Again"