What are the worst Achivements to get?

Question

Tell me what achievement is the worst to get in your opinion and why?
I wonder which I can achieve. I got only 572 Achivements.

Answer 1

I have 1077 achievement points. I sort achievements by expensive and not easy to finish.

Expensive	Not easy to finish
Forbidden Knowledge	His true face
Exalted Battle Mage	Deep Sea Diver
Running the Rift	Honorary Witch
Vortex Tamer	Devovorga's Nemesis
Alumni	Firewalker

The worst in my opinion is His true face because is not really clear how to do it.

Comments

haha @Beix some unlucky :( I'll try to do it, but no way... it's boring. Unfortunately, I always forget about "FIRE EXP" bring firewalkers xD

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@loreffy Congratulations on getting so many achievements! It really is a feat :)

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@Beix  I also heard about these ways with Vampires, I tried several times but unfortunately no luck :(

Answer 2

I have 559 points. Many of them is for mounts and outfits. 

In my opinion, apart from those mentioned by Loreffy, achievements such as: all types of Umbrals (Umbral Archer, Umbral Berserker, Umbral Bladelord, Umbral Brawler, Umbral Executioner, Umbral Harbinger, Umbral Headsman, Umbral Marksman, Umbral Swordsman, Umbral Master) and Lucky Devil.

Answer 3

I have 712 (Need kill all the bosses of the Killing in the name of...), the worst to me is the Deep Sea Diver, because take too much time to do it and His True Face, because is random.