Heero laughed happily, and also at Miyuki's facial expressions. Boy he sure was psyched to join the Guild, a feeling Heero could relate too. He still recalled the first time Leonard had stamped his left arm with his own Fairy Tail logo.
"Haha! We'll see about that won't we?!" he said, holding out a fist and giving Miyuki a fistbump, Fairy Tail style as everyone continued to celebrate. It was morning, and people; even other wizards were flooding inside of the Guild, asking the Fairy Tail wizards for help on Jobs or otherwise.
"A ceremony? But of course." as Heero said this, almost every Fairy Tail wizard in the room looked up and got a mischevious sparkle in their eye. Heero would then step back amongst them, and point directly at Miyuki. "One Requirement of being a Fairy Tail wizard........is that your Guildmates all know your Magic, and even knows what it feels like to fight against it...it makes us all tough, with experience against all the different types of Magic here...so...Good Luck!"
As soon as Heero said this, a few of Miyuki's new Fairy Tail guildmates stepped forward; and nodded to Miyuki happily. Charging up a Spell of Fire, one of them flung the fireball at Miyuki, as it got closer it would split apart into flaming butterflies and try to swarm him.
Another Fairy Tail wizard with green hair would clap his hands, and use Wood-Make, to cause a huge bear of Wood to Appear from out of nowhere, and try to bear hug Miyuki from behind.
Heero would watch on, to see what Miyuki was made of.