To promote the connection between low level players and high level players, kinds of “Help” event are provided in Asura Force world. Master & Apprentice (M & A) quest in instance is one kind.
To join M & A quest, players don’t need to have master and apprentice relationship. As long as you reach certain level stages, you can take part in corresponding quests.

Low level players can accept “Accept Master's Order” quest from NPC Mastership Elder in main city.
Players in different level stage will get different kind of “Accept Master's Order” quests:
Level 15-24: “Accept Master's Order - Secret of Peach Garden”
Level 25-34: “Accept Master's Order - Secret Blood Palace”
Level 35-44: “Accept Master's Order - Sword Soul in Holy Sword Cave”
Level 45-49: “Accept Master's Order - Ember Strom Cave's Secret”
In different instances, there are different ways to trigger “Accept Master's Order” quests. Quest “Secret of Peach Garden” and “Ember Strom Cave's Secret” will be triggered if related BOSS is killed. Quest “Secret Blood Palace” will be triggered by using item at appointed position. Sword Soul in quest “Sword Soul in Holy Sword Cave” will appear automatically at appointed place if all BOSS are killed.
High level players can accept corresponding “Master’s Teaching” quest from NPC Mastership Elder in main city.
Players in different level stage will get different kind of “Master’s Teaching” quest:
Level 25 and above:
“Master's Teaching - Perish Demons in Paradise Valley”
Level 35 and above:
“Master's Teaching - Perish Demons in Paradise Valley”
“Master's Teaching - Decision to Perish Demons”
Level 45 and above:
“Master's Teaching - Perish Demons in Paradise Valley”
“Master's Teaching - Decision to Perish Demons”
“Master's Teaching - Holy Sword Cave Guardian”
Level 50 and above:
“Master's Teaching - Perish Demons in Paradise Valley”
“Master's Teaching - Decision to Perish Demons”
“Master's Teaching - Holy Sword Cave Guardian”
“Master’s Teaching - Stand Together in Storm”