It does not scale with the survival skill. It has 3x max damage with 2x survival, the same amount, if you don't skill anything in it.

Did you check during battle (combat log + shift) or did you look at the char sheet or weapon-tooltip?

 

It used to scale PEN as well as DMG and I only could see that in the combat log's dmg calculation. Now the PEN scaling got removed and only the DMG scaling should remain. Should...