One, Alchemy. Doesnt that skill level up insanly fast as compaired to others?
It can, but ultimately including it in a build is up to you. If you know you'll be careful about brewing potions and poisons, choose it, otherwise don't. Main thing is to use it so you can poison your bow. http://www.uesp.net/wiki/Oblivion:Useful_Potions#Multiple-Effect_Poisons will give you some good ones to start with.
Second being Blade and Block, I want to go full Bow n Arrow. I just had a warrior for a while so im quite tired of the same ol hack n' slash tactics that accompany it.
But you wouldn't be hacking and slashing, the blade (or any other form of attack) is used as a backup, for when a bow would be less effective. The skill doesn't even have to be a Major; making it a Major will mainly mean that you'll start out more proficient with it, but you can still carry a sword or dagger in case it's ever needed.
( As for thief, The 10 extra luck helps on dungeon diving. Higher the luck higher the chance of good drops or something. Cant remember how the game engine calculates that )
It doesn't. Over the years there have been a LOT of experiments by a LOT of players, and a LOT of discussions about the Luck attribute. Basically, it affects stats, not loot.
A couple other things:
- Make sure you're in sneak mode when you take that first shot with your bow. Sneak attacks will deal a good chunk of damage, and when the bow's enchanted and poisoned, you can inflict a lot of damage with that first shot.
- Another way to avoid melee is to keep in mind that you can jump up onto things, and stay out of reach while you continue firing arrows. Sometimes the enemy will be able to follow you onto the obstacle, but they won't be able to jump like you can.
- With that original build, all three Agility skills are Majors, which means you'll never get higher than a +3 even if you try. Take out Sneak or Marksman, since they'll be used often anyway, and you can get a +4 or +5 just by using the skill, no monitoring required.
- Don't discount the Endurance signs, because they'll help increase your health. Pick the Lady if you'll use magic and want the Willpower boost, or Warrior if you want the Strength boost -- in this case, it'd mainly be so you can carry more.
- I agree about using some magic too. There are MANY very useful spells, and you don't need to be a caster class to use them.
I don't remember if this has been linked yet: http://www.uesp.net/wiki/Oblivion:Enchanting. Basically you'll need the item to enchant, a filled soul gem, some gold, and a spell you know and can cast -- for instance, to apply Shock Damage to your bow, you'd need to buy a spell with that effect (the cheapest one will work), but to apply Fire Damage, you already start with a spell that'll provide that effect, so no need to buy one.