Links to Pailaka Quest Guides

http://l2.eogamer.com/wiki/Pailaka_-_Song_of_Ice_and_Fire

That is a first quest of the Pailaka series given at level 49 in Oren, note that you actually don't have to use the weapon given by the NPC to kill the spirits now, you can kill them with your own weapon.

http://lineage.pmfun.com/list/quest-more/pailaka-devils-legacy

Second Pailaka quest given at level 61 in Giran.

http://lineage.pmfun.com/list/quest-more/pailaka-injured-dragon

Third and final Pailaka quest given at level 73 in Goddard.