Fires a round that creates a gravity vortex on the target, dealing X kinetic damage, crushing the target's armor and reducing armor rating by 20% for 45 seconds. Gravity vortices leave targets vulnerable to High Impact Bolt and increase the damage they take from Demolition Round for 45 seconds.
Patch 2.0.0 (9 Apr 2013): The Gravity Vortex applied by Grav Round now lasts 45 seconds. In addition, the Gravity Vortex effect now reduces armor by 20% and no longer stacks. Furthermore, this ability now fires a faster-moving projectile.
Patch 1.2.0 (12 Apr 2012): Has been rebalanced in order to encourage more active gameplay rotations. It now costs 2 Energy Cells, has a 2-second activation time, and deals approximately 10% less damage.