I'm really not sure how experienced at gamemaking you are or how far into planning you've got but, this:
Is something that would definitely fit well in your game. You would probably have to adapt a little because of the control scheme but I'm sure you can do it. My only regret is not owning a VR Set.
Great video and channel! I subscribed.
I had seen a similar analysis of Doom's mechanics but this video did a much better job of communicating it and I got a bunch of new ideas. Thank you for sharing this.
While it is a shame you don't have a headset, just remember that like every technology they'll start coming down in price and size at the same time as getting more sophisticated. I bet the VR headsets everyone will have in a few years will not only be cheaper, they'll make the current ones look like toys. It is very early days for VR so there's no hurry! :D