Undead Dragon under floor Server 1818

Game mode:Online
Problem: Misc
Region: NA

The undead dragon keep falling under the map.
We can use long weapons to kill it after an hour of effort but when it respaws it jsut falls under again.
This is on pve Conflict server 1818

Steps on how to reproduce issue:

  1. Fight Undead dragon
  2. Run around or have it move at all.
  3. Whenever around the pillars it goes underneath.
  4. Dragon is broken nothing to see here.