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Drops on death

True Sight
Gives True Sight in 1100 AoE
Disabled while carried by a courier or flying courier

Ghost Form
Makes you unable to attack or be attacked, but take 40% extra damage from spells
Ends if you become magic immune, and will have no effect if you are already magic immune
Lasts 4 seconds and has a 30 second cooldown.
Shares cooldown with Ethereal Blade

Buyable from Goblin Merchant

Hex
Turns a target unit into a sheep
Hex disables damage block and evasion, and reduces the units base movement speed to 100
Affected unit retains its normal health, mana, armor value, and armor type
If cast on an illusion, it is immediately destroyed
Lasts 3.5 seconds, costs 100 mana, has a 35 second cooldown, and an 800 cast range

Transmute
Kills a target non-hero non-ancient unit, giving bonus gold and experience
Gives 1.5 times the unit's normal experience as additional bonus experience
Gives 190 reliable gold (you do not get the normal creep bounty)
Has a 100 second cooldown

Regeneration Aura
+3 HP regeneration
500 AoE

Stacks with itself in inventory
1 charge

Regenerate Health
Restores 400 HP over 10 seconds
Effect ends if affected unit takes damage
You can target an ally or yourself to receive the effect
Double clicking the item causes it to be used on yourself

Health Regeneration
Regenerates 2% of the bearer's total hit points per second
Disabled if the bearer took damage from a player or from Roshan in the last 6 seconds (4 for melee)
Does not stack with itself

Lesser Maim
Gives a 15% chance on attack to slow movement speed and attack speed by 20% for 4 seconds

Disarm
Removes the target's ability to attack for 4 seconds to ranged targets and 3 seconds to melee targets.
Costs 100 mana, has a 30 seconds cooldown, and a 600 cast range

Buyable from Goblin Laboratory

Can be disassembled

Lifesteal
Gives 15% Lifesteal on attacks
Orb effect

Dominate
Brings the target non-hero non-ancient unit under your control
Dominated unit lasts for 20 minutes, after which it dies
Dominated unit is not able to block other units from moving
Spells last the same duration on Dominated units as they would on a hero
Costs 75 mana, has a 300 second cooldown, and a 700 cast range