[He wasn't going to go on some trite reassurance of how 'it wasn't your fault'. He wasn't there, and he doesn't know the whole story. Besides, hearing 'it wasn't your fault' never helps. Empty words are useless as a sheet of tissue paper in a hurricane.]

[Eventually, he does speak.]

Though that moment of weakness has left you with no end of regret, you are here now.

[Here and faltering and growing more reclusive. Klaus was definitely worried about Ersk's downward spiral.]

You won't find a second chance in that stone. Only an echo.