Custom Engineering
Level Required: 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 6.

How many Demon Hunters use the Custom Engineering passive skill in patch 2.3?

See the Most Popular Demon Hunter Passive Skills chart to find out!
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