You automatically start with a 'Poro-Snax' in your inventory where your trinket should be. On the map itself, it is impossible to recall.
No one remembers who fought here, or why, but it is said that if you listen carefully to the wind you can still hear the cries of the vanquished tossed howling into the Abyss. Legends say that, long ago, a great battle took place here on the narrow bridge spanning this chasm. The map is a bottomless crevasse located in the coldest, cruelest, part of the Freljord. It has replaced the Proving Grounds in the custom versions. The Howling Abyss is a Field of Justice specifically designed for the ARAM game mode.