Help Using Retribution

[Tabtree]

I don't know if this is the right place to post this, but here we go

 

I recently got a retribution mod from a defense mission. What I want to know is the mod useful at all? If so, how do I use it? who is it good on and what should I be trying to do with it on?

[BlastGoggles]

It is useful in infested missions, but currently the corpus lack melee-focus units and the grineer ones are so fragile that this mod is sadly trivial.

[Dreamwalk3r]

They say it kills rollers.

[Feldgrep]

Food for rollers and infreted