It is supposed to be Alatreon but i feel the most difficult is Deviljho in the quest world eater.
Chat with our AI personalities
Mining in the Tundra.
mining in the volcano
when you have repeled the lagiacrus and you are on the five star quests you can forge a bone long sword.
Budroths. You can harvest them Budroths and Royal Budroths and you can get them as an a reward in Royal Budroths or Budroth hunts.
by playing online mode you get HR points from completing online quests. which increases your rank.