Flensing Blades 12
Stealth: +25 (expert)
Description: A whirling tornado of spectrally propelled glass and steel slices whatever it touches to ribbons.
Disable: DC 35 Thievery (master) to precisely adjust the blades so that they destroy each other, or DC 38 Religion (expert) to weaken the haunt; four successes are required to it
Each successful check to disable this hazard reduces the haunt’s movement by 30 feet, and the fourth success disables it completely.
AC: 33 Fort: 27 Ref: 25 Will: 22
Hardness: 20 Hp: 100 (BT 50) Immunities: critical hits, object immunities, precision damage Weakness: positive 15
Whirling Blade Trigger: Three or more creatures enter the area of the haunt Effect: sharp fragments lift up from the ground and begin to spin in rapid circles taking up one 5-foot square. The haunt rolls initiative.
Reset: The haunt draws jagged shards back into its area over the course of an hour, after which it can trigger again.
Source: Gamemastery Guide pg. 81