Managed a 668 3 Minute parse.

https://www.youtube.com/watch?v=ri3u_A8gYdg

Things to note:

Switched B4B and IR around in opening.

Used the following gear with flint caviars on: http://i.gyazo.com/bb150c7cabd6c3a60e9644f7ea36629d.png

Zeta is Crit Det, Ring is +19 crit + 18 acc.