borderlands

Highly Efficient is a kill skill on branch 3 of Harlowe's Creative Bursts skill tree in Borderlands 4.

Effects

Kill Skill. Whenever Harlowe kills an enemy with a Skill, Restore a portion of her Shield Capacity.

Rank 1 2 3 4 5
Shield Capacity
Restored
 8%  16%  24%  32%  40%
Rank 6 7 8 9 10
Shield Capacity
Restored
 48%  56%  64%  72%  80%

Class Mods

These class mods can give bonus skill points to Highly Efficient: