Scuttletide

(Add 1 to cast if SPIDERFANG WIZARD)
Setup spell within 8" of a terrain feature that is visible to the caster.
Predatory, can be moved 8"
After the spell has moved, pick 1 enemy unit in 1" of this spell and roll 8 dice. In addition roll 8 dice for each unit that finishes a normal move/run/retreat/charge within 6" of this spell. For each 5+ do a mortal wound.
SPIDERFANG are not affected. Dispell 9+ wholly 12 of ARACHNAROK