Once you start understanding how gear works. You're going to want to start aiming for boss gear.

Mainhaind: Kzarka Shortsword

Offhand: Kutum Kunai & Nouver Kunai

Armor: Heve Helmet, Dim Tree Spirit, Bheg's Glove, Urugons

Accessories: ap accessories

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I would focus on the boss weapons first and getting them to Tri gear level. Get the Kzarka Tri first then work on getting Kutum to Tri. This will help you grind efficiently. Once that's done start working on the armor pieces. Get all them to tri as well but work on each boss piece one at a time. Dim Tree Spirit and Urugon's are hard to get but getting them varies from everyone as it could be easier for someone to get it and tough for you.

I'd join a guild if you're not already in one as guilds are highly likely to help you get high in gear score. + Moral support when you're enhancing.