Percy Shelley's Adonais is a monumental poem and a grand poem dedicated to the poet John King. In addition to shades of praise, deep emotions of grief and loss are felt in the work. Shelley uses the allegorical image of the hero, which symbolizes poetry itself. The author reveals the complexity of poetic creation, full of regret and mysticism. "Adonais" is a masterpiece that gives the reader unforgettable impressions and transports him to the world of his own feelings and thoughts.