Lightning Edge Or Max Thunder Specialist?

not sure which does more damage or how it works so u people tell me

 

both

lightning edge + spec glitch abuse

 

That was fixed I think

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Specialist, assuming 650% thunder damage and two t6 powders, does ~1300-1400 Base DPS, but is much harder to boost the damage. Lightning edge deals ~695 DPS with t6 powders, but is a lot easier to get more damage on

 

actually it still works but its harder to do

 

can you explain what is that glitch and how to use it?
im no clue what is it ;-;