Sundering Strike (where)

[Salty Biscuit]

i need this mod bad and yes i read wiki and its say corpus
i have yet to find one at all where is the best spot to farm for this and dont say M prime. i perfer defense mission

[Suzaku]

Aside from a few choice mods that drop frequently from defense missions (which sundering strike isn't), all you can really do is keep running random missions until it drops.

[Salty Biscuit]

thats annoying