Mathias and his crew are all nasty and murderous, and they've enslaved
unwary travelers and locals to do their work on the island for them as they search for an archaeological artifact.
Instead of luring
unwary travelers to their doom, these cosmic mirages may turn out to be polestars guiding a new generation of explorers to the origin of the cosmos.
In that case might he disguise the doorway to prevent
unwary travelers from meeting with an unhappy end?