Warming Up

Overview

 * Every non-weakspot hit increases your weakspot multiplier by 12%. This bonus lasts for 15 seconds and can stack up to 10 times.
 * Unlocked at Rank 40 for players, who have The Last Stand DLC.

Notes & tactics

 * Hits that deal no damage do not count.
 * The secondary fire from the Plasma Rifle can rack up stacks extremely quick, however this works poorly against Soakers and just slightly armored foes.
 * Similarly, the primary fire of the Gatling Laser as well as the secondary fire of the Sub Mini-Gun have damage over time effects (dealing non-weakspot damage), which fill up the stacks quickly.
 * The Drones from the Drone Launcher are also very effective to gain stacks, and in turn benefit from the bonus.
 * Alone by itself, this perk finds use mainly in the Campaign & Easy modes, since in Survival it tends to lose impact over time, due to the increasing health of the enemies.
 * However, if used along with the Concussion rounds perk for 2500+ damage weakspot hits, it still can find some more usage.