>! More like "infinitesimally less" than 7, but still: <br><br> [![enter image description here][1]][1] <br><br> The devil can trap the angel in some of the regions bordered by the lines (red first, maroon second, green third), teleport to the same side as the angel if needed and eventually rob the angel of any space to move.


  [1]: https://i.sstatic.net/cGcwW.png