Does short ranged lightning damage. There is an unused unique upgrade where the wall charger on kill does AoE explosion damage, doing 20 damage in a 2 sq radius.
| Increase Damage [+20 damage, 170] - 4 | Requires kill 75 enemies to unlock |
| Increase Damage More [+20 damage, 190] - 6 | Stuns Enemies Hit [3 seconds] - 6 |
| Increase Damage Even More [+20 damage, 210] - 8 | Increase Damage To Electrified Enemies [+50% damage] - 6 |