Pet with life or mana leech from its attacks

I truly believe there should have been a vampire pet with life leech function on Halloween special. Since it didn't happen, its not to late sts to put out a Peru with life or mana leech from either regular attack or arcane. Would be very much appreciated.

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I dunno bout all you fellows but it sounds interesting

Arcane/Mythic pet for next season? I like the idea :)