Extra Gain is a term that appears on page 23 of the Disgaea: Hour of Darkness manual. It refers to the relationship between a Mentor and the benefits mentors gain from having a Pupil.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.