Out of Sight, Out of Mind

I have certain compunctions about knowledge skills in 4th edition. So, until further notice, characters using a knowledge skill in which they are untrained will suffer a -2 penalty if the check pertains to regions which share a contiguous border with those the character is familiar with, to creatures native to regions or to events that transpired there. The penalty increases to -5 for checks related to regions which do not share such a border.

Out of Sight, Out of Mind

Amnesia Cardinalis