Lake of the forgotton Souls

There is a legend of a purgatory like place that has existed for centuaries. They call it the Lake of forgotton souls. This is a place for those who passed on who have pure hearts but have also commited many sins. these souls niether accend to Heavan nore do they decend to the depths of Hell. They are not even placed in Purgatory. This place can be reached, but question is...what is your reason to visit this Lake