There are times when Zen, and the rest of his family, can lend their strength to someone. Through respect and friendship, they can each become a familiar to someone.
For those who don't know, a familiar is like a summoned partner called upon by the person they serve. In this instance one-eyedwolf.deviantart.com/ has Zen as his familiar, always having backup in any of his adventures.
Bond with a Zen and you'll have nothing to worry about
A great thank you again
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