Shellshock
Your Boomstick's damage is increased by 40% when striking a single target. Each additional target reduces this bonus by 5%.
Tree position
In the Survival Hunter talent tree, Shellshock sits in the Survival specialization talents, row 6 of 11. It is a single-point node. Its row opens once 8 points are spent in Survival Talents.
Connected above
The tree draws a line into Shellshock from Quick Reload.
Quick ReloadBoomstick's cooldown is reduced by 15 sec.
Connected below
Shellshock leads on to Sweeping Spear and Vulnerability or Blackrock Munitions.

VulnerabilityRaptor Strike and Boomstick deal 20% increased critical strike damage.
Blackrock MunitionsWildfire Bomb deals 20% increased critical strike damage.
Same row
Also on this row: Mongoose Fury, Mongoose Rounds or Wildfire Shells and Primal Surge.
Mongoose FuryRaptor Strike increases the damage of Raptor Strike by 10% for 8 sec. Multiple applications may overlap.
Mongoose RoundsDamaging one or more enemies with your Boomstick grants you 1 stacks of Mongoose Fury.
Wildfire ShellsDamaging one or more enemies with your Boomstick reduces the cooldown of Wildfire Bomb by 3.1 sec.
Primal SurgeKill Command grants 1 additional stacks of Tip of the Spear. Tip of the Spear's damage bonus is increased by 5%.
Talent trees
Shellshock is in the talent tree of 3 specializations. Hunter: Beast Mastery (DPS), Marksmanship (DPS), Survival (DPS).
Shellshock Changes by patch
Tracked changes to this talent between game data builds, newest first.
- First tracked in the game data (patch 12.1.0)