Hmm... given it's blind and doesn't know where is going perhaps a random movement mechanic?Since it is now blind
Since it is now blind, I vote we replace its skill ranks in Spot.
Suggestions?
I'll agree to Listen. That'll let it target critters if it's so inclined.
Err, yes?
Let's modify the description a bit:
A tiny sphere bobs and floats through the air, stirring up turbulence.
And flavor:
The origins and nature of vortices are mysterious. While their ties to air mark them as elementals, they cannot be summoned or called. Their motivations are likewise obscure; as far as anyone can tell, the exist only to dance through the air, attacking in a blind fury when threatened.
Sure, works for me.