From Guild Wars 2 Wiki
— In-game description [?]
- Trapper's Expertise — Boons and conditions caused by traps last longer. Traps recharge faster and offensive ones cause cripple.
For a detailed skill history, see here.
|May 08, 2018||
|September 29, 2015||
|June 23, 2015|| Specialization update:
|April 15, 2014||
|August 28, 2012|| Game release:
- The number of pulses of this trap was increased from 3 to 4 seconds in the September 29, 2015 game update (one pulse upon activation, followed by one pulse per second).