Assassin/Ninja In Need Of Assassin LVL 75 Grinding Mobs/Quests Build

Hey I am on the look for a good Assassin LVL 75 Grinding Build Budget Is up to 1stx can be more if there is a good reason for it currently I am using this build :
https<>://hppeng-wynn<>.github<>.io/builder?v=1#8_0bd0bb0ba0bZ0U60U60TN0UN0T20R0U1G0o0U1C00001004fI0z0z0+0+0+0+0--3t7wT3
CANNOT POST LINKS YET THERE IS THREE SPACES INBETWEEN MARKED WITH <> IN BOLD FONT
WynnBuilder build:
> Champion Helmet
> Champion Chestplate
> Champion Leggings
> Champion Boots
> Detective's Ring
> Detective's Ring
> Dragon's Eye Bracelet
> Royal Stormy Amulet
> Bob's Mythic Daggers [w6w6w6]
With it I feel like I am not doing enough damage and dying way too quickly to reliably grind mobs/ kill quest bosses/minibosses any recommendations?

 

if you xp replace your rings with rarity, im not sure much what else

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oh and your supposed to grind with other people, or else you will die, at your level you should go into /pfinder and join a party saying "waterfall" (try to find a party with a healer)