Ion Pulse, Explosive Surge and Fire Pulse have a 50/100% chance to grant Pulse Generator, increasing the damage dealt by your next Pulse Cannon by 20% and making Pulse Cannon immune to interrupts. Stacks up to 3 times. At 3 stacks, Pulse Cannon additionally slows the movement speed of all affected targets by 70% for the duration.
Patch 1.4.0 (26 Sep 2012): Each stack now causes 20% additional damage. This can stack up to 3 times.
Patch 1.3.0 (26 Jun 2012): Now only affects Pulse Cannon, as described, and correctly applies its slow effect.
Patch 1.2.0 (12 Apr 2012): Now is granted a stack when Fire Pulse is used. In addition, stacks make Pulse Cannon immune to interrupt and at 5 stacks Pulse Cannon will now slow the movement speed of targets by 70%.
