Warlock build & guide (7.41)

Fatal Bonds

Binds several visible enemy units together, causing a percentage of the damage dealt to one of them to be felt by the others.

Shadow Word

Warlock whispers an incantation, casting a spell on a unit that makes it deal damage to nearby enemy units and heal nearby ally units. Target Unit will also heal or be damaged depending on whether they are ally or enemy.

Aghanim's Scepter: Increases Effect Radius. Shadow Word now applies to %additional_targets% additional units in a %cast_aoe% radius, prioritizing heroes. The healing and damage on the additional targets is reduced by %secondary_reduction%%.

Upheaval

CHANNELED - A powerful slowing and damaging current that grows stronger as it's channeled. Lasts up to 10/12/14/16 seconds. Enemies are slowed for 1 second after leaving the area or the spell ends.

Aghanim's Shard: While channeling, Warlock spawns a minor imp every 2 seconds that lasts for 15 seconds and explodes dealing damage to all enemies around them upon death.

Eldritch Summoning

Whenever an enemy unit dies while afflicted by one or more of Warlock's abilities, a minor imp is summoned that lasts for 15 seconds and explodes on death. Imps will automatically seek out nearby units, favoring fatally bonded heroes, and will explode when reaching their prey.

Aghanim's Shard: Increases the health and explosion damage of minor imps.

Chaotic Offering

Summons a Golem from the depths, stunning enemies for 0.8 seconds. The Golem lives 60 seconds, takes reduced damage from spells, has increased Slow Resistance, has Permanent Immolation and Flaming Fists on attack.

Aghanim's Scepter: Calls 2 Golems.