Chaos
'Hairlock’s using the power of Chaos, the paths that lie between Warrens,
and that’s unhealthy – not just for him, but for all of us...It weakens the Warrens, frays the fabric, which in turns allows Hairlock to break into them at will . . . and out again' (GotM, UK Trade, p.94)
Minala to Cotillion : “They arrive through a gate,” she said. “A warren lit by silver fire.”
“Chaos,” he said. (BH)
Magic and the Warrens