If you iceball somebody with negative moves, it increases them to 0.

<589hp 342m -4mv> Kharghurln utters the words, 'uqzbarr'.
Mystic frost manifests itself at Kharghurln's hands before she sends it forth in a frigid explosion of snow and ice.
Kharghurln's iceball *** DEMOLISHES *** Garrakor!
Garrakor is DEAD!!
A scourge of bone glows with unholy light in Kharghurln's hands.
A piercing howl emanates from a scourge of bone as its hunger increases.
Garrakor's head is shattered, and his brains splash all over you.
The gods protect Suiphthor from Kharghurln.
Kharghurln's iceball wounds you.
You can't quaff a potion while defending yourself!
Khrob spins the shaft of the Battleaxe of Mondurian, hitting you with its points.
Khrob's whirling axe MUTILATES you!
Kharghurln is covered with bleeding wounds.

<532hp 342m 0mv> hold orb
You stop using a long titanium spear.
Kharghurln is covered with bleeding wounds.

n/t