Causes a target enemy unit to be bound to the ground so that it cannot move for 15 seconds. Air units that are ensnared can be attacked as though they were land units.
The Dark Troll Trappers appeared in the Monolith official scenario map. Their stats were mostly the same with the exception that the cost of the gold was 300 instead of 340 and they didn't cost lumber, while they cost 20 lumber in melee maps.