Orc Tamer Card card_dragon_roost_3

What it is for

Card: fits into Left hand gear that has a free slot.

Damage taken from Demi-human −25%.

Weighs 2 of your carry capacity — and weight is what stops drops once the bag fills up.

The best source is Orc Tamer, at 0.050% per kill. You can farm it at Dragon Roost.