Using an iPhone as a webcam on and iPad

Hello. Since covid I’ve been wanting to try doing tabletop games with my friends remotely.

my current set up is using two platforms , discord and FaceTime. This is fine, but annoying. I’m wondering if there is a way to set up my iPhone as a webcam and have it connected to my iPad so I can use just one platform to play out games.

I need to see my friends set up on the iPad screen and have my phone set up with a top down view above me for him to see my table top.

I don’t own a computer at this point in time just my old phone ( iPhone 6s Plus) , my current iPhone 8 and my iPad Air 2.

and suggestions ??