I've tried for a while to get an Aurorus to have its hidden ability, snow warning. But I can't really get it to work. I think I can breed a male Abomasnow with a female Amaura, based on what the breeding guide says. Is this right?
The only way to get a HA Amaura in Gen 6 is via a Japanese serial code distribution. The only other ways to get Amaura in Gen 6 is fossil reviving, which you can't get a HA from, and breeding, which you can't get an HA from unless you already have an HA Amaura.