A Little Bit Of Pain is an armor mod.
Summary[]
Time Rift: Using the skill deals [210% of Anomaly Power] damage over 6 seconds to affected targets.
Source[]
This mod can be found on lower armor.
Updates[]
August patch: increased DOT damage by 71% (from base 0.35 AP to 0.6 AP), condensed DOT duration to 6 seconds (previously 10)