Here is the full list of all 24 Lake of Voices achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
Stepped foot on the bridges of Sinnlos
The price one must pay
That is all he ever says
Suffered in silence
Spirits were lifted together
Hearts were eased with someone special
It almost could have been
Protecting what matters until the end
A fearful and reckless conclusion
Drowning in every drop
The dead cannot be revived
Became true partners
Created a miracle
Found one’s pride
The only path
Remained sheltered from the reach of Nixi
Yet a way was found
Escaped the void and returned to light
Persevered through all the hurt
Continued forward no matter the loss