How do you build it?
Unlock it, gather the listed materials, select it in the Build menu and complete the required construction work.
Defense
Trap that freezes the Pal that steps on it. The frozen Pal has a higher capture rate with the sphere.

Unlock it, gather the listed materials, select it in the Build menu and complete the required construction work.
Trap that freezes the Pal that steps on it. The frozen Pal has a higher capture rate with the sphere.