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Rend
Rend (10 ranks) Warrior ability Melee range 10 Rage Instant Wounds the target causing them to bleed for X damage plus an additional [1 * ((MWB + mwb) / 2 + AP / 14 * MWS)] (based on weapon damage) over 15 sec. {If used while your target is above 75% health, Rend does 35% more damage.}
Properties
Class	Warrior
School	Physical
Cooldown	None/Global Cooldown
Other information
Requirements	Melee Weapon, [Battle Stance], [Defensive Stance]
Improvements	[Improved Rend], [Blood Frenzy]
Related debuff
Rend Bleeding for [X/5] plus a percentage of weapon damage every 3 seconds. {If used while the victim is above 75% health, Rend does 35% more damage.} Duration: 15 seconds

[[Category:warrior abilities]][[Category:warrior abilities]]

"I gave him a choice: die piece by piece, or all at once." — Gorebelly

Rend is a damage over time ability. It is an instant cast, so it doesn't replace a normal attack. It is also one of the few warrior attacks that isn't mitigated by enemy armor. It is available only in Battle and Defensive Stances.

Even without investing in talents to improve it, Rend is a very rage-efficient attack. Investments in [Improved Rend] and [Blood Frenzy] makes it shine even brighter. It's disadvantages are partly that it loses efficiency if the target dies before the Rend has completed it's duration. Also, Rend can not be used in Berserker Stance.

Rank Table

Rank	Damage1	Duration	Level	Cost
1	15	9 s	4	1
2	32	12 s	10	6
3	50	15 s	20	40
4	70	15 s	30	1 20
5	115	15 s	40	2 20
6	150	15 s	50	4 20
7	185	15 s	60	6 20
8	215	15 s	68	6 50
9	315	15 s	71	26
10	380	15 s	76	26

¹Additional damage is added based on weapon damage and other factors. See below.

Cataclysm table

Level	Damage	Duration
12	36	15 s

Additional damage

In addition to the base damage, Rend will deliver extra damage depending on how hard the weapon hits. The formula looks a bit complicated, but it basically calculates the average weapon damage modified for attack power and takes a fraction of this:

                 Weapon Speed x Attack Power                                          743  
Extra damage = ( --------------------------- + Average Weapon Damage ) x Duration x ------
                             14                                                     300000

Note, The DPS of the weapon isn't the most important factor. It's much more important that the weapon is slow.

Example: Wally the warrior has an attack power of 1400, and he uses a Rend with a duration of 21 seconds. When he uses  [The Unstoppable Force] (Speed 3.8, average damage 233½) his rends will do 32 points additional damage. When he uses  [Widow's Remorse] (Speed 1.6, average damage 100½) his rends will only do 13 points of additional damage, even though Widow's Remorse has a slightly higher DPS-rating than the Unstoppable Force.

Tips and Tactics

This is also a good skill to use in PvP against Rogues, as it makes it more difficult (but not impossible) for them to use [Vanish] and an additional opener such as [Cheap Shot] or [Ambush].

Related talents and glyphs

• [Improved Rend] (Rank 1 arms talent) - increases bleed damage done by 10/20%
• [Taste for Blood] (Rank 4 arms talent) - chance at a 'free' use of [Overpower]
•  [Trauma] (Rank 6 arms talent) - increases the effectiveness of bleed effects
• [Blood Frenzy] (Rank 9 arms talent) - causes Rend and [Deep Wounds] to increase physical damage caused to target by 2/4%

•  [Glyph of Rending] (Major glyph) - increases rend duration by 6 seconds.

Patch changes

• Patch 4.0.1 (2010-10-12): Available at level 7.
  
• Patch 3.0.3 (2008-11-04): Damage has been adjusted to be less base and more weapon based. Ranks 9 and 10 now do 35% more damage when the target is above 75% health instead of 4 times damage when the target is enraged.
  
• Patch 1.1.0 (2004-11-07): Now available in Battle and Defensive Stance, damage slightly increased on some ranks.
  
• Patch 0.7 (2004-06-15): Damage reduced. Changed to an instant ability.
  

External links

• Wowhead
• WoWDB