Kali is kala — time itself, the force that devours everything. She stands on Shiva's chest, tongue out, garlanded with skulls, wielding the sword that severs attachment. She terrifies because she is what cannot be bargained with. Hex 23 (Splitting Apart) is her destructive face: the systematic stripping away of everything inessential. Hex 51 (The Arousing) is the shock of encountering her — doubled thunder, the terror that 'comes oh, oh!' but afterward brings laughter and clarity. The Tantric insight is that Kali is not Shiva's opposite but his shakti — the active power without which the transcendent remains inert. The I-Ching never names this directly, but it knows: Hex 23 precedes Hex 24 (Return) as inevitably as Kali's destruction precedes renewal. The devotee who can look at Kali without flinching has already been liberated.