/**
	 * Create AOE effect operators.
	 */
	public static Supplier<Operator2> splAoeEffectOp = () -> {

		// IsEffectActive2 + AddEffect2: HACK to type cast from entity to living entity
		Function<Ports, LivingEntity> fnGetTarget = p -> (LivingEntity) applyV(getFnGetEntity2(), p);

		// AddGraphicalEffectAtClient2: get effect duration from configuration
		Function<Ports, Double> fnGetDuration = p -> wildfireEffectDuration.get().doubleValue();

		// create operator for AOE effect
		return new Sequence2(new IsNot2(new IsEffectActive2(fnGetTarget, WILDFIRE_EFFECT.get())),
				new AddEffect2(fnGetTarget, getBcSetEffectInstance1(), WILDFIRE_EFFECT.get(),
						wildfireEffectDuration.get(), wildfireEffectAmplifier.get()),
				new AddGraphicalEffectAtClient2(getFnGetEntity1(), getFnGetEntity2(), fnGetDuration, WILDFIRE));
	};