Abyssal Chort Card card_abyss_gate_2

What it is for

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

Material drop chance +12%.

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

The best source is Abyssal Chort, at 0.050% per kill. You can farm it at Abyss Gate.