Feature Statement

Because: We don't want an invaded player to avoid an invasion by just running, flying, or teleporting away.
I want: Invasion mobs to teleport closer according when outside a certain distance.

Feature: Players cannot escape the invasion by running
  Invasion mobs will relocate and respawn if their target player is too far away

  Scenario:  
    Given an "invaded player"
    And an invasion mob
    When the player is outside of "<RANGE>"
    Then the mob respawned closer

@codetaylor I heard that there was supposed to be some function in here to address this already, specifically with the example of a player flying away on a mount as a means of escape. I couldn't find such functionality myself; am I overlooking something?