Harry Potter drank Felix Felicis - liquid luck. This helped all the right circumstances be in place for Harry to convince Slughorn to give him the memories.
Felix Felicis. Harry gets it from professor slughorn for perfectly brewing the draught of living death in potions class
Harry made this potion and won Felix Felices (Liquid Luck), which he used to sneak out and talk to Professor Slughorn to get a memory from him. Hope it helped!
At Hagrid's hut, when Harry, Hagrid, And Horace Slughorn are having a "funeral" for Aragog.
Harry Potter took a potion called Felix Felicis. Known as liquid luck, the person who drinks this potion will become lucky until it wears off.
Slughorn was still the potions master in Harry Potter and the Deathly Hallows
Harry Felix was born in 1879.
There was Hagrid and Slughorn
Yes he is.