Auspisious Parry

Where can i cap this skill? Ive used search but i couldnt find it.

Can anyone tell me the boss name and where it is located?

http://gw.gamewikis.org/wiki/Auspicious_Parry

Just use www.guildwiki.org for petty guild wars info, saves you a bunch of time and is quite useful with window mode/dual screen gw