I'm playing a dwarf cleric, whose Artifice domain grants this ability:
Dancing Weapons (Su): At 8th level, you can give a weapon touched the dancing special weapon quality . . .
This isn't all that great given Dancing weapons seem to usually miss due to low attack bonus:
As a standard action, a dancing weapon can be loosed to attack on its own. It fights for 4 rounds using the base attack bonus of the one who loosed it and then drops . . .
A preponderance of forum posts here seem to agree that it's BAB + not much else while a weapon is Dancing. So for instance Strength, Weapon Focus, etc, don't seem to apply. This is lame when it's hitting for very low damage for our level; it's sort of a fun visual without really being useful.
But then I realized my cleric also gets Fabricate, up to ten cubic feet per level of any material I have handy. And I've got ranks in Craft (Weapons). And a weapon is a weapon, no matter how big it is. And if I don't get the bonus for, say, Weapon Focus, I don't see why I'd get penalized for non-proficiency nor the size of it being wrong.
Where's the PRD version of the d20 SRD table for weapons larger than Large?
Also, Magic Weapon and Greater Magic Weapon seem to apply, but it's not clear what other buffs would. I mean, I can't say giving my dancing Colossal Greatsword a morale bonus, but on the other hand, I feel like a Luck bonus to my cleric would be appropriate, given that it would be a stroke of luck if the thing actually hit something. :]
Also, suddenly I really want to know if our wizard can cast Shrink Item . . .