Location: In the demon forest SE of Haisk, go to the house with Yenacy in it. Start the quest by saying yes to her. Then head out of the house, 2xs, sw, w, climb tree, move stone, skeleton is here and asks you who sent you so say Yenacy and get the skeleton ring (AC bonus). Wear the ring on and go back to Yenacy and say ring, she will take it from you and give you a Saphire dagger. Head to the crossroads between DF/OF/SF etc and go 3xn. There type insert dagger and you get a Bamboo wand (casts fireball). Take this wand back to Yenacy
You will then need to get a ruby from somewhere in the house
all west in house
pull claw 5
l desk;l statue;take ruby
Pull claw 10 to get out
back east to Yenacy
who then reveals the shocking truth! It was a trick and in fact they are Magister in disguise!!
Kill magister.
Rewards: You should receive item cloak of concealment as reward (AC and hides everything you are carrying, even from yourself!) you also get some plat and XP. Note, it is widely considered that the Skeleton Ring is a superior item to the cloak which is pants and only woth doing for the quest points and plat.