You've made it through the basement of Castle Oblivion! Congratulations on stumbling through the dark! (Completed Castle Oblivion and reached the ground floor. Happens once a year.)
You've made it through all the floors of Castle Oblivion in record time! Congrats, here's a nifty pin for your swift escapade. (Completed Castle Oblivion within 24 hours of its opening. Happens once a year.)
You made it to the Final Floor AND you remember everything!? That's pretty brave of you! (Must Partake in the Castle Oblivion Event. Happens Once a Year)