Worst benbenlaw's pack in my opinion

Seriously, why adding Tough as Nails as player would constantly jump and sprint in tech pack? Why adding infernal mobs when player would gain nothing but useless XP and gears from killing them?
I don't know whether it is because the pack is finished or not, but the quest book is so brief that i spend a lot of time figuring out some specific mechanics and the efficient way to obtain something.
The endgame is avaritas... well it is acceptable but too tedious and grinding for a benbenlaw pack.