Grind the quest to defeat three demons until level 20.
Aim for the "The Greatest" title by dealing 100 million total damage for significant permanent EXP buffs. 2. Boss Farming: Item & Ore Efficiency Project Slayers: NPC Farm, Boss Farm, Modify Wa...
Carry Riyaku while defeating two subordinates for higher rewards. Levels 10–50 (Zapiwara Cave/Ushumaru Village): Grind the quest to defeat three demons until level 20