Talk:Loki (Warframe)/@comment-70.192.94.208-20140607210456/@comment-24969119-20140609210747

You don't really need the extra efficiency, plus you can't max them both (max efficency is minus duration).

Just go for full duration, and the hammerhead arcane helmet if you can.

Also equit the energy siphon, which will give you some energy during the 30 seconds max invis time.