@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final MOB target=getTarget(mob,commands,givenTarget);
		if(target==null) return false;

		// the invoke method for spells receives as
		// parameters the invoker, and the REMAINING
		// command line parameters, divided into words,
		// and added as String objects to a vector.
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		final boolean success=proficiencyCheck(mob,0,auto);
		if(success)
		{
			// it worked, so build a copy of this ability,
			// and add it to the affects list of the
			// affected MOB.  Then tell everyone else
			// what happened.

			final CMMsg msg = CMClass.getMsg(mob,target,this,verbalCastCode(mob,target,auto),auto?"":_("^S<S-NAME> chant(s) at <T-NAME> rustily!^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				if(msg.value()<=0)
				{
					maliciousAffect(mob,target,asLevel,0,-1);
					target.tell(_("You feel damp!"));
				}
			}
		}
		else
			return maliciousFizzle(mob,target,_("<S-NAME> chant(s) at <T-NAME>, but the magic fizzles."));

		// return whether it worked
		return success;
	}