Leaving the fight with the dragon only served to stoke Torrok's ire and when he arrived in the Library where his companions began to wearily set up camp his hand drifted to the brand on his shoulder. The desire for strength causing him to rub it and to harken a voice.
"Do ye want power?" The mark seemed to ask.
"Yes" Torrok answered.
"Will ye do whatever it takes to gain it?"
"Yes" Torrok answered.
"Then so shall it be."
And with that, he doubled in size and his skin split as a suit of spiked armor tore itself to the surface. The discarded bits of flesh and blood spraying out only to dance through the air and tranform to a cloud of blades that danced around him.