Insight is a skill category geared towards advancing in Thaumaturgy. Investing in this skill will lower the focus cost of immediate powers. This should benefit those who use Thaumaturgy for combat as lots of offensive and defensive powers will likely be immediate. There are eight skills in the insight category, many if not all of which unlock the learning of new powers.
Allows a power to affect more than one target. E.g. Learning Expansion when one has learnt the skill Enrage unlocks the mod Mass Enrage.
Learn from observation and external sources of knowledge. It is a misconception that Revelation helps the player learn skills and powers faster, but this is not the case. Revelation will grant the player certain powers for exploring certain areas or reading certain books, but currently there are no such things in the game to make use of Revelation. Citation needed.