STR 7 (-2)
INT 26 (+8)
Hex: Prehensile hair
Even though it is listed as a secondary natural attack, I would just use the hair to attack as a standard action. How would I apply the STR mod as it’s only form of natural attack? Is this how I would calculate the attack modifier and damage?
Attack: +12 (BAB 4 + INT 8)
Damage: 1d3+12 (INT 8*1.5)
This wording from the universal monster rules might be relevant:
If a creature has only one natural attack, it is always made using the creature’s full base attack bonus and adds 1-1/2 times the creature’s Strength bonus on damage rolls. This increase does not apply if the creature has multiple attacks but only takes one. If a creature has only one type of attack, but has multiple attacks per round, that attack is treated as a primary attack, regardless of its type.