Depended on the character- but their quirks, personality, whatever could influence us to some degree with that in mind. More so when we grew more skilled, more powerful, in using the abilities granted by it.

[There was a low noise in his throat-] Mine caused me to have a deep fondness for witches, or those that held the Essence of a Witch, as a small example.

[Which honestly helped in some places and were not all that great in others. Also something he was never bringing up to a certain someone; he held memories of some other places after all. Didn't matter.]