Moree than an exploit this is like a hint .
1 of all , do u have msn? xD
2 well not just the hero duals have silence skill , also the infinity dagger does , about the song of silence i didnt know that, that skill exist but i know the skill "Dance of Medusa" and "Seal of Silence" those 2 skill arnt fixed either and have more % of landing ^^ ;P