Worth noting to those who haven't read the pitch: the original design for Diablo was turn-based . The hexagonal movement system was causing a huge headache for the programmers, however, and eventually they decided to make it real-time. The now-defunct Gametrailers did an amazing retrospective on the Diablo series at some point: https://www.youtube.com/watch?v=83bFa9qL8XQ EDIT: I also thought some of the side illustra…
Allow me to quote Diablo developer David Brevik describing when he finally yielded to demands and hacked together a "real time" version of his turn-based Diablo, by making turns elapse the rate of 20 turns a second. 'I remember taking the mouse, and I clicked on the mouse, and the warrior walked over and and smacked the skeleton down, and I was like "Oh my god! That was awesome!".' 'And the sun shone through the wind…
I kinda take issue with saying "the ARPG was born at that moment", though. We had JRPGs for almost a decade before that included realtime combat.