Chicks just dig cool guys, so they flock to him in large numbers.
A brief explanation is in order, and it works basically like this: When you target Elegant Rooster with, say,
Blessing of Kings
, you create a new
which also receives the Blessing of Kings buff. If you cast another spell on Elegant Rooster, a new chicken is created. So the Elegant Rooster grows and grows, and you get buffed chickens. The wording btw is based on
Djinni of Zephyrs