Technically, even from just the way they both carried themselves, Cole was the younger person, so him calling his opponent boy was something that really annoyed the man, enough that he also completely ignored the fact that there were darklings to deal with, it was obvious Cole was the bigger threat, and that was made all the more prevalent as the darklings themselves all turned to face Cole, in the end the reigning principle was the enemy of my enemy is my friend. As for Cole…..
"Well then don't keep me waiting! COME ON!" He roared at them as he rushed forwards, locking weapons with the human as he sent his head forward and into the bridge of his nose. The man drew back with a startled cry as Cole pulsed out with [Gravity] pushing the fairy darkling away as he used [Vertigo] to keep the rest of the darklings of guard before he blasted himself upwards with [Gravity]