From Pathfinder #175: Broken Tusk Moon, which isn't enabled.

Animated Blade

CREATURE -1

UNCOMMON TINY CONSTRUCT MINDLESS

Perception +3; darkvision

Skills Athletics +6

Str +1, Dex +1, Con +0, Int -5, Wis +0, Cha -5

AC 16 ((14 when broken); construct armor); Fort +3, Ref +6, Will +3

HP 4

Construct Armor (Hardness 4)

Like normal objects, an animated blade has Hardness. This Hardness reduces any damage the blade takes by an amount equal to the Hardness. Once an animated blade is reduced to fewer than half its Hit Points, or immediately upon being damaged by a critical hit, its construct armor breaks, and its Armor Class is reduced to 14.

Speed fly 15 feet

Melee Rusty Blade +6 (sweep), Damage 1d4+1 slashing plus Tetanus

Tetanus (disease)

Saving Throw DC 15 Fortitude

Onset 1 week

Stage 1 Clumsy 1 (1 week)

Stage 2 Clumsy 2 and can't speak (1 day)

Stage 3 Paralyzed (1 day)

Stage 4 death

Pathfinder #175: Broken Tusk MoonOGL