Its probably Myrks, with the whole voiceless for a thousand years.
But it was most likely written after SB's return.
Remeber in Myth TFL Crows Bridge the War had been going on for 17 years and those in CB didn't know what was happening.
And Why he did it? I'd say Sadism
Or a snack.
SB: And you know what they call a... a... a Quarter Pounder with Cheese in Province?
Shiver: They don't call it a Quarter Pounder with cheese? Then what do they call it?
SB: They call it an "Andir" with cheese.
Shiver: An "Andir" with cheese! Heh.
:P