Raise cap and add fall off so that it's fun but doesn't nuke an entire rooms. Will make it viable for certain frames but won't break the entire meta.
line of sight and the fact that allies can cancel the ability with their damage already kinda made this tricky to use on some maps and multiplayer.
I appreciate the small back peddle, but for the requires to get access to MFD is steep and players who get to that should be rewarded.
Boost it some more and make it rank 10 for helminth and it will be balanced. Expedite suffering should have been like rank 3-5 unless I am missing a tac