Pick up the quest when you're ready, Zoom to the Overgrown Graveyard, and enter The Battle of the Wildwood. Once The Battle of the Wildwood is unlocked, head to the Accordia inn and make your preparations - you need to tackle this quest without party members as a Mage or a Priest otherwise it won't count. Be sure not to pick it up until you're absolutely ready because you'll only have 15 minutes to complete it. You have to reclaim Accordia before you can access this quest. Once Mage and Priest are at 20, head to the abbot that changes your class and he'll acknowledge your accomplishments and submit 014 Knack of All Trades: Sage to the quest counter. Just head to the highest level region you have unlocked with the best weapon you can buy and go to town - level 20 should come relatively quickly. In order to unlock the quest for Sage, you must first level both the Mage and Priest classes to 20 on your main character. How to Unlock Sage in Dragon Quest Heroes 2 However, remember that you must level these vocations on your main character otherwise it won't count towards unlocking the hidden classes. Luckily, unlocking these hidden classes is as easy as leveling a couple of your other vocations and reaching a certain point in the story.