"What happened in the past is no concern of ours," Arthur said sternly. "We must act quick and find the Sun Amulet and any other treasure before we are forced to leave... or god forbid, Dreads' team and Buzzkill's team get to them first."
They were told that just their existence alone affected the stability of the site's dimensional membrane... the layer that kept every planet and celestial body protected and hidden from the roots of the Tree of Death and Tree of Life reaching them.
But once there was a crack in this protective layer, or it became too weak... the two Primordial Trees' roots would notice them instantly, like the Eye of Sauron atop the Dark Tower catching sight of anyone foolish enough to wear the One Ring.
In the case of Ashora's Empire, the Primordial Tree of Death's root got to them first, which made them linked to the Shadow Dimension.
