Manifests as semi-corporeal tendrils of entropic matter that crystallize under magical stress. Capable of phasing through solid objects but leaves temporary glyph burns. Core emits inverse mana signatures that disrupt spellcasting while paradoxically reinforcing rift boundaries through controlled collapse sequences.

Serves as both hazard and guide in advanced rift trials, creating adaptive challenge scenarios where wielders must balance arcane output with anti-magic absorption to stabilize volatile course geometries.