Trapper have Mobile Arena as a class ability. It has a cooldown of 60 seconds, a duration of 60 seconds, and a radius of 50 meters. Loadouts of each Trapper character are as follows.

Maggie: Machine Pistol, Harpoon Traps, Pet Trapjaw, Mobile Arena.
Griffin: Gauss SMG, Harpoon Gun, Sound Spikes, Mobile Arena.
Abe: Custom Shotgun, Stasis Grenades, Tracking Dart Pistol, Mobile Arena.