Nightblade

Fetchling Nightblade
Path of the Bloodied Chain
Tormentors shackle

Nightblade arts:
Dark resurgence
Untold horrors
Shadow Form



Feats:
Weapon Finesse



http://www.d20pfsrd.com/equipment---final/weapons/weapon-descriptions/chain-spiked
http://www.d20pfsrd.com/classes/3rd-party-classes/ascension-games-llc/nightblade/nightblade-arts/dark-resurgence-su
http://www.d20pfsrd.com/classes/3rd-party-classes/ascension-games-llc/nightblade/nightblade-arts/untold-horrors-su
http://www.d20pfsrd.com/races/other-races/featured-races/arg-fetchling
http://www.d20pfsrd.com/classes/3rd-party-classes/ascension-games-llc/nightblade
http://www.giantitp.com/forums/showthread.php?418529-Into-the-Darkness-a-Guide-to-the-Nightblade