Some Testing Required

NOTE: When you get this quest, Hrath Everstill has a nasty habit of not giving you the quest items, so to avoid an excessively long journey back, before you set off for Zek from Gorowyn be sure to check you have:
# Hrath Everstill's Orcish Obfuscation
# Antidote Prototype (x3)
# Hrath's Gem of the Simulacre
# Decaying Mist Prototype (x8)
If you don't have them re-hail him.
==Steps==
# Travel to . Use to gain an illusion. 
#Approach orcs and use , do this to 4 orcs to update the quest four times. (NOTE: Easier to do it on solo orcs. IF you use it on a orc mob, they will attack you once you use item on one of them.
# Now, Aproach an orc and first use the Antidote Prototype on him, then use the . Do this 3 times.
# Use to summon a projection of Harth Everstill. Speak to the projection.
# Speak to at .
# Examine the serum to receive .
# Approach a deathfist orc and use the new vaccine on him, then use . (The orc will agro after this.)
# Speak to to finish the quest.
==Rewards==
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*One of the following:
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