What’s the best 2/4 sec?

3?

2, for rogue at least.
Never checked if it's different for other classes.

Why

Use 2s (shorter duration) for 95% of situations. All speed clear content should use 2. And most push content wants to use 2 also (regardless of class). Even in higher content a lower number is better. Compare a 2s to a 4s in hard content with lots of mobs. If you have a 2s the affected monster takes a smaller amplification damage. However he’ll theoretically experience 2 explosions from all other adjacent monsters during the same time duration and a 4 duration barber would give a single explosion from adjacent mobs.

2 explosions from adjacent monsters>1 explosion with higher self amplification.

Longer duration is only better against bosses (not the challenging part of high tier NMD’s) and isolated elites. Short duration is better everywhere else.

TLDR: If you have a choice you should generally choose the shorter barber.

This post was edited by TeenyUncle8 on Aug 10 2023 07:00am

Goes off when either a) you have done more dmg then the enemy has hp, b ) when timer hits.

With this in mind longer duaration is better, and will have same effect on mobs if you kill them before timer goes off.

This post was edited by molson_drinker on Aug 10 2023 02:38pm

Uber lilith --> 4 sec
Rest --> 2 sec

if this is the case, its not working everytime as intended

Honestly you’ve made me reconsider. I was thinking if it explodes twice from all the mobs you get the lower amp’ed damage twice… which is true, but since the barber just absorbs all the damage anyways you may as well just get the higher amplification as all the damage is absorbed and explodes anyways.

F idk. It’s not as obvious as I thought. Maybe you’re right and 4s is generally just better.

TLDR: I am dumb. Someone smarter than me needs to figure this out definitively.

2.9seconds so Vulnerable from exploit is still on when barber procs on bosses.