Soulshatter

From WoWWiki

Soulshatter
Soulshatter Instant cast Self range 8% of BASE Health Reduces threat by 50% for all enemies within 50 yards.
Usable by
Class	Warlock
Properties
Type	Utility
School	Shadow
Cooldown	5 Min
Other information
Ranks	1
Requirements	Requires 1 Soul Shard

Soulshatter is a spell which reduces aggro on all targets within 50 yards by 50%.

Rank	Health Cost	Level	Cost
1	8%	66	4 59

Notes

This spell requires 8% of the warlock's base health. If the 8% base-health requirement is not met, the spell can not be cast.

Soulshatter can be resisted.

Tips and tactics

Soulshatter is best used in conjunction with a party or raid running KLHThreatMeter (a.k.a., KTM) or Omen. This way, the warlock can raise their aggro to just over the main tank's, then use Soulshatter to drastically lower it.