Custom Engineering

Custom Engineering is a Demon Hunter passive skill unlocked at level 40. Increase the duration of your Caltrops, Marked for Death, Spike Trap, and Sentry by 100%. Increase the maximum number and charges of Sentries to 3 and number of Spike Traps to 5.

Effect

Increase the duration of your Caltrops, Marked for Death, Spike Trap, and Sentry by 100%.

Increase the maximum number and charges of Sentries to 3 and number of Spike Traps to 5.

The self-loading mechanisms built into most hand crossbows and traps are delicate and difficult to maintain. Extensive practice is required to use them properly.

More Demon Hunter passives

Tactical Advantage
Level 10

Thrill of the Hunt
Level 10

Blood Vengeance
Level 13

Steady Aim
Level 16

Cull the Weak
Level 20

Night Stalker
Level 20

Brooding
Level 25

Hot Pursuit
Level 27

Archery
Level 30

Numbing Traps
Level 30

Perfectionist
Level 35

Grenadier
Level 45

Sharpshooter
Level 50

Custom Engineering

Demon Hunter · Passive Skill

Unlocks at level 40

Increase the duration of your Caltrops, Marked for Death, Spike Trap, and Sentry by 100%.

Increase the maximum number and charges of Sentries to 3 and number of Spike Traps to 5.

The self-loading mechanisms built into most hand crossbows and traps are delicate and difficult to maintain. Extensive practice is required to use them properly.

Key facts