Sword Cat

Sword Cat is a demon found in Iris and the Giant.

"The attack of this demon is linked to the number of cards in my bag. Scary!"

Location
In Path of the Giant, the Sword Cat appears on Floors 7, 8 & 15 on all difficulties.

In Path of the Ferryman, they appear on Floors 15, 19 & 23 on all difficulties, and also on Floor 3 on Nightmare difficulty.

Strategy
Only able to attack from the first row, the Sword Cat will deal damage equal to the amount of cards in your deck. If you are low on cards then you can prioritize other enemies, however typically you will want to defeat the Sword Cat quickly because it can potentially deal extreme amounts of damage.