Yes, seven forma. It didn't used to be that bad. Before the riven disposition got nerfed and before the changes to multishot, it was possible to hit 100% status on five damage types with only five forma. Now we here.

I use this silent monstrosity to tag heavy gunners with status effects, such that [Condition Overload] will make light work of even the heaviest of gunners. Take this with the [Redeemer] build and stay in survival missions forever, it won't matter.