You wanna know what mob is the most advantagical?
Try Kerberos at Boreas or Ambulimax at Nea's place.
The mob has a lot of sweat (especially Ambulimax) and a group of people around 1 mob (sweating circle) so you have less chance to get hit.
Sometimes a fapper is there and the reviveterminal is close. You may call it very effective sweating.
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I used to auto solo sweat before I go AFK, so that I will die and regen and will be back to full health prior to my return from 10-15 mins break.
That would be on kerb young / nusul young.
Forgot about nusul, but I can sometimes get about 50 sweat before I died on a kerb young. Now, if am waiting / chatting, and still want to sweat it's on kerb / nusul / ambu.
I've solo swunted weak paneleon on Cyrene which is OK if you have decent HP or are willing to auto fap from time to time. I think the mob HP is 80 but damage is low, similar to Ark Carabok /Gallard. There is a revive not far away and while there is no turret nearby, the spawn is right by the sea so just drown the dry mob.