The Engineer class in 99 Nights in the Forest costs 1,000 Diamonds. The limited class is sold in the Class Shop, and multiple guides note the same price.

Quick Scoop

  • Cost: 1,000 Diamonds.
  • Availability: limited-time shop class.
  • It comes with a Candy Turret and a Hammer.

Why people mention different numbers

Some videos and forum posts speculate about lower prices like 800 or 900, but the written guides I found consistently say 1,000 Diamonds.

TL;DR

Engineer = 1,000 Diamonds in 99 Nights in the Forest.