Dobby's Warning
Dobby's Warning is the first major supernatural intrusion into Harry Potter's summer at 4 Privet Drive and the event that sets the central mystery of the year in motion. The house-elf Dobby, who had been watching Harry from the garden hedge, appears in Harry's bedroom during the Dursleys' dinner party to deliver a desperate warning: Harry must not go back to Hogwarts School of Witchcraft and Wizardry, because a plot is afoot to make most terrible things happen there. The encounter establishes Dobby as a conflicted figure—simultaneously devoted to Harry and bound by the cruel rules of house-elf servitude—and introduces the threat that will define the school year: the reopening of the Chamber of Secrets.
Identity and Appearance of Dobby
Dobby is a house-elf, a creature bound to serve one wizard family forever. He has large, bat-like ears and bulging green eyes the size of tennis balls, and he wears what looks like an old pillowcase with rips for arm- and leg-holes—a mark of his enslavement. He is deeply reverent toward Harry, bowing so low that his long, thin nose touches the carpet, and he speaks in a high-pitched voice. Harry notices that Dobby is the same creature that had been watching him from the hedge that morning.
The Warning and Its Consequences
Dobby tells Harry that there is a plot to make terrible things happen at Hogwarts, and that Harry must not put himself in peril. He refuses to name the plotters, instead punishing himself—banging his head against the wall, the window, and the desk lamp—every time he comes close to revealing too much. He insists that the danger is not from He-Who-Must-Not-Be-Named, but his eyes are wide and he seems to be trying to give Harry a hint. When Harry presses him, Dobby reveals that he has been intercepting Harry's letters from his friends Ron Weasley and Hermione Granger, as well as from Hagrid, hoping that if Harry thought his friends had forgotten him, he might not want to return to school. Dobby produces a thick wad of envelopes from inside his pillowcase, but refuses to hand them over unless Harry gives his word not to go back to Hogwarts.
The Pudding Incident and Aftermath
When Harry refuses, Dobby sprints downstairs and, in the kitchen, levitates Aunt Petunia's masterpiece pudding—a mountain of cream and sugared violets—and drops it to the floor with a heart-stopping crash. The dish shatters, cream splatters the windows and walls, and Dobby vanishes with a crack like a whip. The noise brings the Dursleys and their dinner guests, the Masons, running; Uncle Vernon finds Harry rigid with shock, covered from head to foot in pudding. Although Uncle Vernon initially manages to gloss over the incident, the arrival of a barn owl delivering a letter from the Ministry of Magic—an official warning for underage magic—convinces the Masons to leave and enrages Uncle Vernon, who locks Harry in his room with bars on the window.
Revelation of the Diary's Role
Much later, it is revealed that Dobby's warning was a clue. The plot he referred to was orchestrated by Tom Riddle's diary, which had been given to Ginny Weasley by Lucius Malfoy. The diary, containing a memory of the sixteen-year-old Tom Riddle, possessed Ginny and compelled her to open the Chamber of Secrets, releasing the basilisk to attack Muggle-born students. Dobby, who served the Malfoy family, knew of the plan and tried to protect Harry by any means necessary, even at the cost of his own punishment. His actions—sealing the barrier at King's Cross, causing the rogue Bludger to attack Harry during the Quidditch match—were all misguided attempts to keep Harry away from Hogwarts and the danger he sensed there.
Significance and Thematic Weight
Dobby's Warning is the inciting incident of the novel's mystery, introducing the concept of a hidden threat at Hogwarts and the theme of house-elf servitude. It also establishes Dobby as a character whose loyalty to Harry is absolute, even as his methods are destructive. The event foreshadows the later revelation that the Chamber of Secrets has been opened before, and that the Heir of Slytherin is acting through an enchanted object. Dobby's eventual freedom, achieved when Harry tricks Lucius Malfoy into giving Dobby a sock, is a direct consequence of the bond formed during this first, fraught encounter.