Operation Mi'ihen?

A reluctant reunion of friends long parted - Auron and Kinoc
Surrounded by secrets and marred by intrigue - something to do with the Crimson Squad
The trap be be wondrous or may lead to disaster - They are trying to trap Sin. The results are either wondrous (Sin defeated) or disaster (Sin kills everyone)
The victims' bold challenge to a different league - Operation Mi'ihen is bold, and Sin is in a different league with power