Warcry

Warcry (ウォークライ Wōkurai) is a Mage of the Quatro Cerberus Guild and a member of Team Quatro Cerberus, a team participating in the Grand Magic Games. As his very name suggests with a pun, utilizes Tear Magic, focused around the use of his tears. He was shown able to start crying profusely in mere seconds, something which supposedly results in him becoming capable of casting spells.

(Source: Fairy Tail Wikia)