@Override
	public boolean invoke(MOB mob, List<String> commands, Physical givenTarget, boolean auto, int asLevel)
	{
		if((mob.location().domainType()!=Room.DOMAIN_INDOORS_CAVE)
		&&((mob.location().getAtmosphere()&RawMaterial.MATERIAL_ROCK)==0))
		{
			mob.tell(L("This magic only works in caves."));
			return false;
		}

		if(!super.invoke(mob,commands,givenTarget,auto,asLevel))
			return false;

		// now see if it worked
		final boolean success=proficiencyCheck(mob,0,auto);
		if(success)
		{
			final CMMsg msg=CMClass.getMsg(mob,null,this,verbalCastCode(mob,null,auto),auto?"":L("^S<S-NAME> chant(s) for a pool.^?"));
			if(mob.location().okMessage(mob,msg))
			{
				mob.location().send(mob,msg);
				final String itemID = "Spring";

				final Item newItem=CMClass.getItem(itemID);
				if(newItem==null)
				{
					mob.tell(L("There's no such thing as a '@x1'.\n\r",itemID));
					return false;
				}
				newItem.setName(L("a magical pool"));
				newItem.setDisplayText(L("a little magical pool flows here."));
				newItem.setDescription(L("The pool is coming magically from the ground.  The water looks pure and clean."));

				mob.location().addItem(newItem);
				mob.location().showHappens(CMMsg.MSG_OK_ACTION,L("Suddenly, @x1 starts flowing here.",newItem.name()));
				SpringLocation=mob.location();
				littleSpring=newItem;
				beneficialAffect(mob,newItem,asLevel,0);
				mob.location().recoverPhyStats();
			}
		}
		else
			return beneficialWordsFizzle(mob,null,L("<S-NAME> chant(s) for a pool, but nothing happens."));

		// return whether it worked
		return success;
	}