Board Thread:Dark Souls II/@comment-99.194.34.198-20140331001520/@comment-24727485-20140331022436

Mundane decreases the base damage by half but increases the improvement rate -{The D/C/B/A/S at the bottom}- So you can upgrade it's damage with your leveling up. It's preferably used with Mid/High-Soul Level players, with high Dexterity, Faith, Intelligence or Strength. As those are the main things to increase a weapons damage depending on the weapon.

For example.

A weapon could start of with D Improvement status and it is only strength.

With mundane, it slices the base damage from let's say 200 to 100.

But the D turns to a B.

The D Improvement improves it by 3 damage points per Strength increase from strength needed to hold the weapon.

Whilst the B improvement increases it by 6 damage points per Strength Increase.