While seeming to be a contained event, it did in fact have repercussions across the entire planet. The Xen crystal sample studied at Black Mesa resonated enough to tear a rift between Xen and Earth. If the object resonates too much, it can open dimensional rifts and portals. When studied, the object will resonate even more, and sometimes even rapidly. Vortigaunt being teleported into Test Lab C-33/a during the Resonance Cascade.Īccording to notes from Gordon's desk, every object has a set resonance.
