What pet does the most damage.
With a corehound you can bloodlust so that might be more DPS in the end.
However a spirit beast's heal is pretty nice and can help you live a bit longer in pvp situations.
Don't forget with arenas and rated BGs you won't be able to use bloodlust anymore.
Please report any Code of Conduct violations, including:
Threats of violence. We take these seriously and will alert the proper authorities.
Posts containing personal information about other players. This includes physical addresses, e-mail addresses, phone numbers, and inappropriate photos and/or videos.
Harassing or discriminatory language. This will not be tolerated.