Arrow Rain
Quest Location -> India,Calcutta
Once you are in Calcutta go and talk to that monk, make sure you save your record point there, so that it would be easy to try again if u get spawned.
Now go out of city and follow the map to quest location:
when you reach the quest location, talk to the poisonous snake there, to start first fight. After first fight second fight will start auto, so if you need to heal your other characters do it before you accept the fight.
After you finish go back to the monk and give him 2 stars to learn the skill ARROW RAIN.
All info were searched in wlodb.
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