Listen to Poppy, Keeper of the Hammer (From League of Legends: Season 5) online. Poppy, Keeper of the Hammer (From League of Legends: Season 5) is an Unknown language song and is sung by League of Legends. Poppy, Keeper of the Hammer (From League of Legends: Season 5), from the album The Music of League of Legends: Season 5 (Original Game Soundtrack), was released in the year 2019. The duration of the song is 3:08. Download Unknown songs online from JioSaavn.