Skills are acquired knowledge through study or mind and body discipline. Skill rolls are done on a percentile die: player must roll under their score for the respective skill to be a successful execution.
Find hidden door/object - 300
Estimate worth - 400 - Accurately estimate the approximate worth of an object precious metal, or gem.
Brainstorm - 400 - Good at coming up with ideas and solutions, outside the box. 5% + 5% per 2 Intelligence points. +10% per 2 DI (Divergent Intelligence) points. +5% per level.