A powerful moment, one that seals the fate of The Chosen Undead and it also marks the departure Dark Souls makes from other Fantasy Games. Oscar hands you the key that will change the course of Lordran.
Oscar of Astora represents other games, hes the hero from a noble family, which has a story depicting how the undead fate shall be revealed. It was supposed to be him who triumphed above adversity, him who would travel to Lordran and ring the bells … but somehow that task falls to someone who other games would just be … a zombie in a cell, somebody that has been killed in countless Castlevania games, Elder Scroll games, hell, even in Demons Souls! This is how one of the best stories ever told got started.