Fungi/CoF wurmslayer/frostbringer/ staff battle is all you really need to carry you to 50 easily solo without much investment.
Warrior proc weps to consider having by 50 - 2x bloodpoint, Bloodfire, Truncheon of Doom
You can solo beyond 50 with those proc weps, but it gets harder and harder. Also you dont really get disciplines until youre in your late 50s. Which really changes how you play and brings a whole new (fun) dynamic to the class. If you stick it out till then its really rewarding.
Best of luck.
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