Dungeon weapons have lost their luster and over the time past world drops and seasonal weapons have made a vast majority of them irrelevant and has made the drive to dive into these older dungeons pointless beyond artifice armor.
A refresh to Duality, Grasp and Spire is in dire need because alot of them could be amazing weapons if they had access to the newer perks. Grasp may need more than a refresh, it will need some weapons being rotated out of the loot pool such as 1000 yard stare and sadly Matador or they'll need complete overhauls since they have powerful direct competitors that are craftable and same energy type
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Really just need a perk refresh more than the actual loot refresh, aside from Prophecy and Grasp IMO. A lot of those models are pretty cool and could get some new life with new perks and maybe little stat bumps here and there to compete with newer loot.