According to the cover image of Dragon Magazine March issue, Kagami Takaya's light novel "Densetsu no Yusha no Densetsu" was confirmed to get an anime adaptation. The novel series has been serialized in the magazine since 2002 and the total sales are 3.8 million copies. Its manga adaptation has been serialized in Monthly Dragon Age since 2008.
Fujimishobo Denyuden webpage
Den Yu Den novel official website
Raina Lute is a lazy student of Roland Empire Royal Magician's school. One day, Roland Empire goes to war against a neighboring country Estaboole, and he lost his classmates in the battle. After the war, Lute sets out for a journey to search the relics of a "Legendary Hero" at Emperor Zion Astar's command. And he finds out a deadly curse spreading the continent.
Source: Cover image of DraMaga