The benefit of Haste from items

Bladestorm now provides immunity to disarm while active. Defensive Stance now reduces damage by 15% (was 25%). Execute now deals 15% less damage. Unwavering Sentinel now improves the damage reduction of Defensive Stance by 10% for Protection Warriors. Shockwave now has a 40 second cooldown (was 20 seconds), and striking 3 or more targets will reduce its cooldown by 20 seconds. Second Wind now generates 15 rage (was 20 rage) over 10-seconds. Warbringer now reduces the target's movement by 50% for 15 seconds (8 seconds in PvP) in addition to its other effects. The 3-second stun/knockdown is now in the diminishing returns category for stuns (same as Shockwave and Storm Bolt), and not the proc stun diminishing returns category. Shield Barrier now scales approximately 10% less efficiently with attack power. Storm Bolt now deals 125% weapon damage (was 100%). Enraged Regeneration now costs 30 Rage (was 60). Deadly Calm has been removed from the game. Glyph of Incite no longer activates from Deadly Calm, and now activates from Demoralizing Shout instead. Glyph of Overpower is now Glyph of Die by the Sword. It increases the duration of Die by the Sword whenever Overpower or Wild Strike are used. Glyph of Death From Above no longer increases the damage dealt by Heroic Leap. Impending Victory will now heal the Warrior for 15% of maximum health when they have not slain an enemy (was 10%). Arms Taste for Blood has been redesigned. It now causes the Warrior to gain 2 stacks of Overpower (maximum of 5 stacks) when Mortal Strike deals damage, 1 stack when the target dodges, and no longer interacts with Heroic Strike. It now requires level 20 (used to require level 50). Slam now deals 220% weapon damage (was 190%) and had its cost reduced to 20 rage (was 30 rage). Deep Wounds damage has been increased by 100% for Arms Warriors. Whirlwind now costs 20 rage (was 30) for Arms Warriors. The cost is unchanged for Fury Warriors. Overpower now costs 10 rage and reduces Mortal Strike's remaining cooldown by 0.5 seconds. Sudden Death now has a 10% (was 20%) chance to activate from auto attacks or Oppo