Orc Shaman Card card_outpost_ruins

What it is for

Card: fits into Shoes gear that has a free slot.

AGI +4. Flee +10.

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

The best source is Orc Shaman, at 0.020% per kill. You can farm it at Outpost Ruins.