Impale (Diablo III)

Impale is a  Secondary skill in Diablo III.

In-game
The Demon Hunter throws a dagger that flies straight ahead, hitting the first enemy it hits for high Physical damage. The knife is considered a missile and has a limited range.

Runes:

 * Impact: Impale's target is knocked back and is Stunned for seconds.
 * Chemical Burn: Impale's damage type changes to Fire, and the entity unfortunate enough to be hit will also burn for damage as Fire every second, for  seconds.
 * Overpenetration: Impale's damage type changes to Cold. The throwing knife will also gain a piercing capability, hitting all enemies in a straight line. However, it cannot pierce the Elite Waller's barrier.
 * Ricochet: Impale's damage type changes to Lightning. In addition, after the initial target, it can also hit two more enemies (cannot hit the same target twice), provided those are within yards of each other.
 * Grievous Wounds: for the knife's Critical Hits, Critical Hit Damage increases by additional.

Non-rune enhancements

 * Chain of Shadows (Legendary Belt): Vault costs no resources for 2 seconds after casting Impale.
 * Holy Point Shot (Legendary Quiver): Impale throws 2 additional knives (total of 3 with roughly 30 degrees spread) and damage increased by +75-100%.
 * Karlei's Point (Legendary Dagger): Impale refunds 15 Hatred if it hits an enemy already hit by Impale and deals 300-375% increased damage.
 * Embodiment of the Marauder Set (Set Bonus for 4 items): any time the Demon Hunter fires Impale, all of their Sentries will fire it as well at their current target, fully benefiting from runes and enhancements.
 * Embodiment of the Marauder Set (Set Bonus for 6 items): for every active Sentry, damage of the Demon Hunter's own Impale increases by +12000%.
 * The Shadow's Mantle Set (Set Bonus for 6 items): first enemy hit by Impale will suffer additional 75000% damage of the same type.

Development
Originally Impale was supposed to be a charged shot from the ranged weapon, not the dagger throw, and had different graphics and icon (see right).