What does it take to neutralize a horrid skull?

[Michael Thayne]

Originally Posted by Humabout

This to a tee. The skull is a fancy off switch for an environmental hazard.

Sure. I started this thread because I was hoping to clarify exactly what you have to do to flip the switch. Whether it one combat maneuver or several combat maneuvers to "turn off" matters if there are other monsters around to stab you while you use other combat maneuvers on the glorified off-switch.