“You’ve discovered your true name,” he said.
“Yes,” Valkyrie responded.
“And your true name is Darquesse.”
“That’s right.”
[…]
“Do you realise what this means for you?” Gordon asked, as his slow pacing took him towards the corner of the room. “A sorcerer who knows their own true name has access to power other sorcerers can only dream about.”
“Our true names are names of magic, from the oldest of the magical languages. Virtually all of us go around without knowing what that name actually is, but we can still use the magic it provides.”
“And?”
“If you find out what your true name is, it’s kind of like going straight to the source. You’d become more powerful than even the Ancients were. You’d be able to take on the Faceless Ones without needing a weapon.”