I just want to point out what make me laugh everytime I read it here:
"New weapons are needed to beat new content because HP of those mobs is 5-10 times higher than it used to be till now"
New weapons have 30-70% ( thats kinda blind shot but I dont really want to check exact values) more base dmg. Overall dmg increase is actually less because of WSC being a part of WS dmg and fSTR being a part of white damage and dropping ODD/Hidden effects in many cases ( Like for example Ukonvasara with 30% ODD is more like 200 dmg weapon so increase in white damage is something around 27% with Razorfury and WS dmg might be even less since Ukko is generally better WS than Uph outside of MS )
This will obviously varies a lot but gain from those weapons is not ( beside H2H) that significant to make big changes in fight duration. If the fight takes like 15 min now it will take maybe 11-12 with new weapons ( Not all damage comes from melee DDs too and magic damage wasnt boosted significantly by new weapons ).
So I would say - No, new weapons arent the key to win those fight. There is something else we havent known yet or those fights are just made to be long. Personally I would try Magic Burst on mobs that have resistance. I would also try MBing with SMNs. I remember some ridiculous dmg made by Nirvana SMN with MB Thunderstorm.
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