Light armor, stealth, archery and smithing. If you just sneak attack everything with the bow, the game is amazingly simple. And smithing helps with weapons and light armor.
Get Daedric smithing and glass smithing. Also, lockpicking is amazing to have. The others aren't really needed, but make fun extras.
Restoration spells there like only 3 perks you need from that tree. Lockpicking- don't really need it because during a daedric quest you can get a skeleton key that opens anything and you won't need to turn in the quest. Pickpocket- I only found this fun when I just strip people and they don't notice it at all.
Smithing- defiantly fast level up jsut making iron daggers. Enchanting- you need it go through mid section branch in it. 1 hand- will also affect daggers and with stealth perks daggers are lethal.
Archery- pretty fun and helps when you stealth snipe difficult enemies. Blocking in the game helps but some times side stepping and running around them works too. Besides if you use stealth, most of them will be dead by the time they notice.
Potions are expensive and used very often if your not going for alchemy.
You defintely need Stelth, Archery, and Pickpocket, those are essential, and some boots that make your sneeking even better, if you join the theifs guild there are some laying around in that guild. Lockpicking also helps if you don't midn your bounty going up, but if your sneeking is good then your bounty should be protected, I'd recommend picking Dark Elf.
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