Burrowbots do their worst beneath the skin of your foe. 12 machine parts are needed to construct 1 of these horrors,. You can control 2 at a time.

Skill: Bots
Group: Burrowbot
Command: BOT CONSTRUCT BURROWBOT
Known: No
Lessons: 858 Lessons
Ability type: Noncombat utility
Base balance time: 3.00 seconds