The pulse mine is a new trap that would be available at TH11 or 12.
Damage Range Stun Rearm Cost
1- 20 4tiles 2.5s. 1000 10000
2- 30. 5tiles 3.0s. 1500 40000
3- 40 6tilea 3.5s. 2000 60000
Stop those pesky miners from digging under your walls with the pulse mine. The pulse mine activates when a miner is underground and within the range of the mine. It releases a burst of electricity forcing all miners in its range to the surface and stuns them.

