Icecrown Citadel will open on Thursday October 12, at 3:00 PM PDT, which will enable players to begin their epic quest to acquire the legendary two-handed axe, Shadowmourne! We've put together a helpful guide for players looking to obtain this weapon --
How to Get Shadowmourne Guide
Shadowmourne, a Legendary two-handed axe, is obtained by completing a long quest chain within the Icecrown Citadel raid. This guide will walk you through the quest chain, highlighting items you need to gather or farm to create it to earn the axe, as well as the Feat of Strength achievement, Shadowmourne. By completing the quest chain, you'll also receive a number of other items related to Arthas, including the Reins of the Crimson Deathcharger and Jaina's Locket!
In the Patch Notes for Patch 3.4.3 Phase 4 «Fall of the Lich King», Blizzard explains what changes are being made to Shadowfrost Shard acquisition, which will allow more players to enjoy the weapon. An excerpt is below from the Patch Notes --