Wikia

Random enchantments

Item Suffix	Stats Bonus
of Arcane Wrath	+20-21 Arcane Spell Damage
of the Whale	+9-10 Stamina, +9-10 Spirit
of the Owl	+9-10 Intellect, +9-10 Spirit
of the Boar	+9-10 Strength, +9-10 Spirit
of the Eagle	+9-10 Intellect, +9-10 Stamina
of the Falcon	+9-10 Intellect, +9-10 Agility
of Defense	+14-15 Defense Rating
of Healing	+31-33 Healing Spells and +11 Damage Spells
of the Bear	+9-10 Stamina, +9-10 Strength
of the Tiger	+9-10 Strength, +9-10 Agility
of the Wolf	+9-10 Spirit, +9-10 Agility
of the Monkey	+9-10 Stamina, +9-10 Agility
of Intellect	+14-15 Intellect

Very low (less than 1% chance) drop from Level 38 to 52 mobs throughout Azeroth, with a better chance from named mobs.