@Override
	public boolean invoke(MOB mob, Vector commands, Physical givenTarget, boolean auto, int asLevel)
	{
		final Room targetR=mob.location();
		if(targetR==null)
			return false;
		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		int chance=0;
		if((mob.location().domainType()&Room.INDOORS)>0)
			chance-=25;
		final boolean success=proficiencyCheck(mob,chance,auto);
		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,targetR,this,somanticCastCode(mob,targetR,auto),auto?"":_("^S<S-NAME> commune(s) with <S-HIS-HER> natural surroundings.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				final int radius=3 + super.getXLEVELLevel(mob);
				final List<Room> rooms=CMLib.tracking().getRadiantRooms(mob.location(), new TrackingLibrary.TrackingFlags(), radius);
				final List<String> stuff=new Vector<String>();
				communeWithThisRoom(mob,mob.location(),stuff);
				for(final Room R : rooms)
					communeWithThisRoom(mob,R,stuff);
				mob.tell(_("Your surroundings show the following natural signs: @x1.",CMLib.english().toEnglishStringList(stuff.toArray(new String[0]))));
			}
		}
		else
			beneficialVisualFizzle(mob,targetR,_("<S-NAME> attempt(s) to commune with nature, and fail(s)."));


		// return whether it worked
		return success;
	}