Return Thontik's Blade to the Wraithguards  

So, this quest and the others related to it (Return Aerigin's Cloak to the Wraithguards, Return Firgant's Copper Ring to the Wraithguards, Return Aethmir's Pendant of Zek to the Wraithguards, and Return Skalmarg's Torn Leather Pendant to the Wraithguards) all work the same way. After any non-shade undead mob (a blighted icecaller, a corrupted remains, a crumbling ascetic, a fallen Krithgar warrior, a moldering corpse, a mummified spiritist, and a rotting Krithgar soldier) in Frostcrypt is killed, there's a chance that a mob called "spirit of xxx" will spawn. When hailed, they each lead you through the same dialogue chain:

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You say, 'Hail, spirit of xxx'

spirit of xxx says 'Thank you for freeing me. I have gathered together, at great cost, the strength to stand before you for a moment. I am grateful for the sweet release you have granted me but I ask one additional [boon].'

You say, 'boon'

spirit of xxx says 'My people believe that to pass peacefully into the next world we will need to bring with us items of wealth and power. To this end we are interred with items of special meaning or power. The foul shades that now haunt this hallowed place care nothing for the sacred nature of these artifacts, just as they refuse to grant us the peace of death. They have [stolen] our artifacts!'

You say, 'stolen'

spirit of xxx says 'Now that you have freed me from my slavery to the Shades I will pass Beyond. Before I do I would ask you to [retrieve] the items stolen from me and return them to my kin. If you find my treasures you may give them to any of the Wraithguards. They will be able to deliver the items to my kin.'

You say, 'retrieve'

spirit of xxx says 'Thank you Soandso. May you find peace in this life and the next.'

You have been assigned the task 'Return (item name) to the Wraithguards'.

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If you already have the task that a particular spirit can give you, then the spirit will simply despawn and you can move on.

The names of the spirits and the tasks they assign are as follows:

spirit of Thontik assigns Return Thontik's Blade to the Wraithguards.
spirit of Aethmir assigns Return Aethmir's Pendant of Zek to the Wraithguards.
spirit of Kalmaer assigns Return Skalmark's Torn Leather War Banner to the Wraithguards.
spirit of Haridok assigns Return Aerigin's Cloak to the Wraithguards.
spirit of Thurgant assigns Return Firgant's Copper Ring to the Wraithguards.

Not sure why some of them assign the task for their own item, while others assign tasks for someone else's item, but there we are. The items themselves drop from the shade model undead mobs (a shade of Zek, a shadow priest of Zek, a shadowblade of Zek, a shadowcaller of Zek, a soldier of Zek, and a spirit of Zek) in Frostcrypt, and can be pre-looted. Upon returning any of the items to any wraithguard (I usually go with Wraithguard Sergrant Thavin, since he's right outside the entrance to Frostcrypt), you get the following text:

Surely the soul of that ancient giant has gone to rest and is grateful for your help
You gain experience!!
You have successfully been granted your reward for: Return (item) to the Wraithguards

The reward is always exp (something like 25-30% of an AA at level 86) and 10x Vial of Gooey Black Gel, which, when clicked, gives you a proc that does damage only against the shade model undead mobs in Frostcrypt, and stacks with other buff-type procs (like Devout Fury).

Handed him the sword and got this.

[Sun Mar 29 00:39:26 2009] Your task 'Return Thontik's Blade to the Wraithguards' has been updated.
[Sun Mar 29 00:39:26 2009] Surely the soul of that ancient giant has gone to rest and is grateful for your help

Can confirm, get reward but no faction hit from Sergeant Aerik.

The blade drops off of shades in the lower part of the crypt. Seen a few drop in the times I've camped there. Reward was faction with the wraithguard leadership and exp.

Have collected other of these no drop quest parts like the ring of whoever etc. The idea is that when the random skeleton spawns you can recognize by his name which task he is going to give you. Let the people that already have the no drop parts be the ones to hail and get that specific guys task like Spirit of Thontik gives the task return Thontik's blade etc - these skellies are kinda rare so rather than get the task then look for the item get the items then look for the skellies since they spawn off upstairs mobs and the items are downstairs and are a little less rare but random and hard to come by none the less. Plus you only get faction off of the shades downstairs.