Shadow Step (Mobility):

Provides a mobility tool for repositioning or quickly escaping danger. It also allows you to Diablo 4 Items reset positioning to line up Penetrating Shots more efficiently.
Dark Shroud (Defense):

Adds damage reduction through shadow orbs that absorb damage. This helps with survival, especially when engaging large groups of enemies.
Poison Imbuement (Utility/Damage):

Imbuing Penetrating Shot with poison greatly increases the damage output and adds a damage-over-time (DoT) effect. This skill works exceptionally well when clearing large packs.
Rain of Arrows (Ultimate):

A high-damage AOE ability that covers a wide area with arrows. It synergizes with crowd control builds and is effective when timed with large mob waves.
Aspects and Gear
Aspect of the Expectant: Increases the damage of Penetrating Shot for every basic attack performed beforehand. This is crucial for ramping up damage output.
Aspect of Encircling Blades: Adds additional utility by making the Penetrating Shot hit enemies around you when in melee range, which is helpful in close combat situations.
Aspect of Arrow Storms: Causes arrows to cheap Diablo IV Items rain down randomly on enemies after firing Penetrating Shot, providing additional AOE damage.