http://db.pandawow.me/?spell=2649
Effect 0: Id 63 (SPELL_EFFECT_THREAT) RegularDifficulty
AveragePoints = 1521,73
Targets (6, 0) (TARGET_UNIT_TARGET_ENEMY, NO_TARGET)
Effect 1: Id 114 (SPELL_EFFECT_ATTACK_ME) RegularDifficulty
BasePoints = 0
Targets (6, 0) (TARGET_UNIT_TARGET_ENEMY, NO_TARGET)
Effect Mechanic = 16 (MECHANIC_BANDAGE)
Effect 2: Id 6 [b](SPELL_EFFECT_APPLY_AURA)[/b] RegularDifficulty
BasePoints = 200
Targets (6, 0) (TARGET_UNIT_TARGET_ENEMY, NO_TARGET)
Aura Id 11 ([b]SPELL_AURA_MOD_TAUNT[/b]), value = 200, misc = 0 (0), miscB = 0, periodic = 0
Effect Mechanic = 16 (MECHANIC_BANDAGE)
Taken from 5.4.8 dbc. It redirects this aura to grounding and it disappear. I don't think it must be fixed, so declined.