Bolas - Causes small avalanche from turning head

"You do us great honor with your presence," Tezzeret began, only the faintest quiver in his voice. "It is my hope, Nicol Bolas, that together we can come to a mutually beneficial-"

"Shut up." Bolas shifted his head, causing a small avalanche of ice and rock to pour down from the ledge against which he stood. "I hate you, artificer, and I find rare cause to bother hating anyone anymore. The only reason I'm not currently picking your spine out from between my teeth is because you were smart enough to arrange these wards ahead of time.

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Agents of Artifice, Chapter 16