Intelligence

Skill
Response
0 - 15
"Slightly less intelligent than a rock."
15 - 30
"Fairly Stupid."
30 - 45
"Not the brightest."
45 - 60
"About Average."
60 - 75
"Moderately intelligent."
75 - 90
"Very intelligent."
90 - 105
"Extremely intelligent."
105 - 120
"Extraordinarily intelligent."
120 - 135
"Like a formidable intellect, well beyond even the extraordinary."
135 - 150
"Like a definite genius."
150 or higher
"Superhumanly intelligent in a manner you cannot comprehend."

If intelligence is higher then 90%, additional response says:
This being is at % mental strength."