Not my work, found it here:
http://darkfall-mmorpg.blogspot.com/2010/01/how-to-kill-devil-hardest-mob-in-game.html
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First off you need 4 people and a Battle Horn.
Im going to explain what each party member needs in detail.
First player Battle Horn rider.
You need a really good one hander and this person should have the highest skill in 1 hander Mastary.(BRING MORE THAN 1)
Second Player Healer.
Atleast 200 Mandrake
and 100 of each reg for the rest
Third and Fourth Players
A few rank 40 or Higher 2 handers
Ok heres how to kill that bastard.
You first have to get a good spawn bye a good spawn i mean a spawn that has only 1 Devil in it.
After you get that spawn kill all the other spawn and avoid the devil. The other mobs will be hooded ones and deathless mages.
Once you drop all of them have a party member lore the devil under one of the doorways of the houses in that area once you get him under the doorway have somone on the battle horn ready to charge the door and block the devil inbetween the door and the battle horn. Have the person on the battle horn jump off and have the person stuck in the doorway jump on the battle horn. Now the devil is STUCK there.
Next have the party member with the highest One handed skill get in the battle horn and press A and D and you swing a one hander at the devil. Have the healer cast haste and heal mount on the rider as well as the other 2 party members.
Have the other 2 party members hit the devil from the side of the battle horn while hitting him with power hit as much as possible.(EVERYTIME YOU CAN HIT A POWER HIT DO IT) This will pull the agro fromthe battle horn to the players which the devil cannot hit.
Do this for about 15 mins and the devil will drop and his loot looks somthing like this
30-80k gold
1-5 mounts
1-2 Mourters dragon cannons headshot cannons so on
Regs
40 Numen
2 Rank 65 Wepons
Now lets say you get a drop of 80k
4/80 is 20k EACH For 20 mins work
SHOW ME ANOTHER SPAWN YOU CAN DO THIS AT !!!
Enjoy Getting rich but watch out for those nasty pkers!
Pretty nice method