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

Greater Maim
Gives a 15% chance on attack to slow movement speed and attack speed by 30% for 4 seconds

Lifesteal
Gives 25% Lifesteal on attacks
Orb effect

Unholy Rage
Gives +175% Lifesteal for 3.5 seconds
Has a 35 second cooldown

Buyable from Goblin Laboratory
Stacks with itself in inventory
1 charge
Double clicking on the item will automatically target your fountain

Teleport
Teleports you to an allied building
Can be targeted at a point up to 525 range away from the building instead of directly on it, it will teleport you to that spot instead
If the targeted point is closer than 50 range to the tower, 70 will be used as the distance from the tower instead
When you use Teleport, the minimap is pinged for your allies at the target location of your teleport, and you are given 200 AoE vision at the target location for the duration of the teleport
When the teleport finishes, trees are destroyed around the landing spot in a 480x480 square
The casting time of the teleport is determined by how many allies have targeted a Scroll of Town Portal in a 1100 AoE around your target location in the last 25 seconds
For each recent allied teleport in the area, time is added to your Teleport's casting time (2 seconds for the first recent allied teleport, 1 second for each additional one), the default casting time is 3 seconds
Recent allied teleports have no effect if the target is in the fountain area
Shares cooldown with Boots of Travel
Costs 75 Mana, and has a 65 second cooldown

Stacks with itself in inventory
2 charges

Place Ward
Places a Sentry Ward to give True Sight of the surrounding area
Sentry Ward has 70 vision, 950 AoE True Sight, 200 HP, and is invisible
Sentry Ward lasts 3 minutes

Fade

Upon activation, fades your hero out over 2.75 seconds. If you move, you will lose your invisibility. No cooldown.

Can be disassembled

Freezing Aura
-25 attack speed
1000 AoE

Arctic Blast
Emits a freezing wave around the caster
Enemies hit by the wave take 200 magical damage and have their movement speed slowed by 40% for 4 seconds
The wave extends at a speed of 300 to a max size of 719
Costs 100 mana and has a 30 second cooldown

Buyable from Goblin Merchant

Maximum stock of 3 in store
Store stock takes 12 minutes to replenish
Stacks with itself in inventory
1 charge

Smoke of Deceit
Places a buff on all allied player-controlled units in a 1200 AoE. Makes them invisible, grants 15% movespeed bonus, and prevents them from appearing on minimap to enemy players
If you get within 1025 AoE of an enemy hero or tower, or if you attack any unit, the buff wears off
Buff lasts up to 40 seconds
Has a 90 second cooldown

Buyable from Goblin Laboratory

Sacrifice
Sacrifices 150 HP to temporarily gain 150 Mana
If the Mana gain cannot fit in your Mana pool, it creates a buffer of Mana that is used before your Mana pool
Lasts 10 seconds, Mana in the Mana buffer that is not used in this time is lost
Has a 25 second cooldown

Buyable from Goblin Laboratory

Damage Block
Gives a 60% chance to block 20 damage if the wielder is melee, or a 60% chance to block 10 damage if the wielder is ranged

Corruption
Causes attacks to place a buff that reduces armor by 6
Buff lasts 7 seconds
Works on buildings
Orb effect and buff placer