Im not sure if this is an old bug or not, but when mixing a Valkyrie helm and Armor of the fallen the stats come out strange.

Valkyrie Helm gives fiend damage bonus: med.
Armor of the fallen gives fiend damage penalty: med.
Combined they give a fiend damage bonus: low, but in red with an arrow pointing down like a penalty?

Here is a screenshot of said contradiction. Notice how it says bonus but its in red.
http://img638.imageshack.us/img638/1899/2012012600001h.jpg
note, i do not have any other gear equipped that effects damage. the trinkets i am using are for health and ctr.

You would think that a med penalty would cancel out a med bonus too.