Kick low doing the opposite of what it's supposed to?

Ordering my charmies to 'kick low' practically granted the target stoneskin while it was dying.

o all.guard kic low
Before an elven patrol can get up, a grim kobold guard kicks him hard, leaving him prone to attack.
Before an elven patrol can get up, a grim kobold guard kicks him hard, leaving him prone to attack.
Before an elven patrol can get up, a grim kobold guard kicks him hard, leaving him prone to attack.
An elven patrol is stunned, but will likely regain consciousness again.
You issue the order 'kic low'.

350H 110V 1X 34.29% 1726C [**a fire salamander:Perfect**] [**an elven patrol:Awful**] Mem:1 Exits:EW>
A grim kobold guard bruises an elven patrol with his claw.
An elven patrol is incapacitated and will slowly die, if not aided.
A grim kobold guard barely pierces an elven patrol.
An elven patrol is mortally wounded, and will die soon, if not aided.
A grim kobold guard barely claws an elven patrol.
An elven patrol is mortally wounded, and will die soon, if not aided.
A grim kobold guard barely pierces an elven patrol.
You receive 0 experience.
An elven patrol is dead! R.I.P.
g pile.coins 1.corpse
The death cry of an elven patrol echoes from somewhere nearby...

350H 110V 1X 34.29% 1726C [**a fire salamander:Perfect**] Mem:1 Exits:EW>

Another example, not dying this time. First round is normal (no kick low beforehand)

A grim kobold guard massacres an elite elven guard with his claw.
A grim kobold guard pierces an elite elven guard extremely hard.
A grim kobold guard claws an elite elven guard extremely hard.
A grim kobold guard pierces an elite elven guard extremely hard.
A grim kobold guard massacres an elite elven guard with his slash.
A grim kobold guard whips an elite elven guard extremely hard.
An invisible stalker hits an elite elven guard extremely hard.

392H 112V 1X 34.29% 2054C [**an invisible stalker:Awful**] [**an elite elven guard:Fair**] Mem:2 Exits:W> Before an elite elven guard can get up, a grim kobold guard kicks him hard, leaving him prone to attack.
Before an elite elven guard can get up, a grim kobold guard kicks him hard, leaving him prone to attack.
Before an elite elven guard can get up, a grim kobold guard kicks him hard, leaving him prone to attack.
You issue the order 'kic low'.

392H 112V 1X 34.29% 2054C [**an invisible stalker:Awful**] [**an elite elven guard:Fair**] Mem:2 Exits:W>
A grim kobold guard claws an elite elven guard very hard.
A grim kobold guard pierces an elite elven guard very hard.
A grim kobold guard claws an elite elven guard very hard.
A grim kobold guard pierces an elite elven guard hard.
A grim kobold guard slashes an elite elven guard extremely hard.
A grim kobold guard whips an elite elven guard extremely hard.
An invisible stalker hits an elite elven guard very hard.

392H 112V 1X 34.29% 2054C [**an invisible stalker:Awful**] [**an elite elven guard:Bad**] Mem:2 Exits:W>

In both instances, the target was para'd. Not sure if that's what's interfering with kick low, or if it's stacking improperly, or something else.
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