Stormforged Vrykul Horn
From Skyhold Chest of Riches. The chest spawns every 3 hours in the middle of the PvP arena in Skyhold, starting at 0:00 realm time, just like the gurubashi arena in stranglethorn.
The Stormforged Vrykul Horn is a toy that drops from the 
Skyhold Chest of Riches in the Warrior Class Hall.
Guide awaiting review
Unlock Class Hall upgrade
Spec into the Tier 2 Class Hall upgrade "For Honor and Glory" in Skyhold. You must have this upgrade to see and loot the chest.
Locate the chest spawn
The Skyhold Chest of Riches spawns in the middle of the PvP arena in Skyhold every 3 hours, beginning at 0:00 realm time.
Loot the chest
Open the chest when it spawns. You can only loot it once per week. The Stormforged Vrykul Horn has a very low drop rate from this chest.
Tips
Trial characters can obtain this item, so you are not limited to max-level accounts.
