You feel a pressure in your chest as your soul is bound to the obelisk, and the obelisk now sports a single point of light glowing dimly. You assume this represents your bond.
Standing in the stone room now gives you a sense of familiarity, like coming home after a long trip.
As you are about to move, a faint clinking noise catches your ear. The diamond attached to the obelisk has fallen from it and pulses warmly in rhythm with your heartbeat.