From LSWiki

Familiar

Wolpertingers are chimeric mammals in the form of rabbits with fangs, wings and horns. They prefer mountainous areas and are associated with weird experiments. They have at least a little night vision.

Requirements

• Arcane Lore
• Killer Instinct

Note: These aren't completely confirmed, as Legend Lore may play a role.

Boons

Attributes

Intelligence, Willpower and Perception are gained by the consort.

Svadhistahana Chakra

The wolpertinger familiar charges this chakra for the consort.

Specialties

Tier I

• Killer Instinct

Tier II

• Elude Pursuit

Tier III

• Magick Affinity

Tier IV

• Chaos Affinity
• Intimidation
• Tracking

Tier V

• Killer Instinct

Tier VI

Charms

• Standard Charms

Summary with a Completed Bond

At a fully completed bond, these are the bonus specialties you get from a wolpertinger:

• Killer Instinct IV
• Elude Pursuit III
• Flight III
• Chaos Affinity II
• Magick Affinity II
• Intimidation II
• Tracking II
• Forestry I
• Mountaineering I

Charms

Vantasia edit: as of 2022, those are the actual charms i have at the moment, at very healthy connection and no traits granted:

You sense that this bond is enabling you to perform a bunch of charms, arcane feats accomplished by simple mental acts.

First, the ability to urge your familiar to specific action.  This ability can be used even if you do not know where your familiar is.  To do this, concentrate on urging your familiar to undertake the desired action.

Second, the ability to call your familiar to your side.  To do this, concentrate on calling your familiar.

Third, the ability to send your familiar to safety.  This ability can be used even if you do not know where your familiar is.  To do this, concentrate on sending your familiar to safety.

Fourth, the ability to become one with your familiar.  This ability can be used even if you do not know where your familiar is.  To do this, concentrate on becoming one with your familiar.

Fifth, the ability to see through your familiar's eyes.  This ability can be used even if you do not know where your familiar is.  To do this, concentrate on seeing what your familiar sees.

Sixth, the ability to accelerate your metabolism.  To do this, will my adrenal glands into overdrive.  To end the effects of this charm, will my adrenal glands to return to normal.

Old charms:

You sense that this bond is enabling you to perform a bunch of charms, arcane feats accomplished by simple mental acts.

First, the ability to see through your familiar's eyes. This ability can be used even if you do not know where your familiar is. To do this, concentrate on seeing what your familiar sees.

Second, the ability to urge your familiar to specific action. This ability can be used even if you do not know where your familiar is. To do this, concentrate on urging your familiar to undertake the desired action.

Third, the ability to infuse an item with chaotic energies. To do this, concentrate on reinforcing the prime matter within the item to be enchanted.

Fourth, the ability to fly. If you already have wings, this charm will increase your maneuverability. To do this, think about flying.

Fifth, the ability to accelerate your metabolism. To do this, will my adrenal glands into overdrive. To end the effects of this charm, will my adrenal glands to return to normal.

Sixth, the ability to perceive subtle energy flows. To do this, concentrate on perceiving subtle energy flows. To end the effects of this charm, concentrate on ceasing to perceive subtle energy flows.

Seventh, the ability to send your familiar to safety. This ability can be used even if you do not know where your familiar is. To do this, concentrate on sending your familiar to safety.

Eighth, the ability to call your familiar to your side. To do this, concentrate on calling your familiar.

Traits granted

Sanguivore Diet, and Exsanguinating Bite

Paraneurism granted by Chakra

(Maybe something else, I'm not sure...)