I think yes they are, but warlock isnt very difficulty, with a paladin or a knight lvl 100+ you can hunt use the star wall estrategy, have 2 sqms in the star if u stay the walocks can't attack with spells. and u can attack with a arrows or meele weapons in knight. You can use a poison walls or traps for remove they invisible
Its a very good for knights and paladins lvl 130-200, if u use a life drain and mana drain imbuements u can stay alot of time in the hunt.
If I'm not mistaken I think you can encounter Instable Breach Brood as well as Instable Sparkion if the vortex to Otherworld is active south west of Dwarven bridge
In general terms, yes they are. But there are other creatures that can be found in free account area that are strong as well:
During the lightbearer event you can also find these ones in plaint of havoc:
Yes. They are so hard to hunt because they are constantly invisible and attack from a distance. Another difficulty factor is your access through Maze of Lost Souls.
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